Irish actress and model Caitriona Balfe (R) poses with British actor Sam Heughan (L) on the red carpet arriving to attend the world premiere of the film T2 Trainspotting in Edinburgh on January 22, 2017. / AFP / Andy Buchanan (Photo credit should read ANDY BUCHANAN/AFP/Getty Images)
BEVERLY HILLS, CA - JANUARY 08: Actress Caitriona Balfe attends The Weinstein Company and Netflix Golden Globe Party, presented with FIJI Water, Grey Goose Vodka, Lindt Chocolate, and Moroccanoil at The Beverly Hilton Hotel on January 8, 2017 in Beverly Hills, California. (Photo by Jonathan Leibson/Getty Images for FIJI Water)
Caitriona Balfe (L) and Sam Heughan pose in the press room during The 41st Annual People's Choice Awards at the Nokia Theatre LA Live in Los Angeles, California on January 7, 2015. (Photo FREDERIC J. BROWN/AFP/Getty Images)
Caitriona Balfe arrives at the Starz original series premiere of 'Black Sails' at the Harmony Gold Preview House and Theater on January 8, 2014 in Hollywood, California. (Photo by Angela Weiss/Getty Images)
Sam Heughan, Caitriona Balfe and Tobias Menzies attend the "Outlander" series screening at 92nd Street Y on July 28, 2014 in New York City. (Photo by Jemal Countess/Getty Images)
Caitriona Balfe attends the "Outlander" series screening at 92nd Street Y on July 28, 2014 in New York City. (Photo by Jemal Countess/Getty Images)
Julia Roberts, Dominic West, Caitriona Balfe, producer Jodie Foster, actors Jack O'Connell, George Clooney and lawyer Amal Clooney attend the "Money Monster" premiere during the 69th annual Cannes Film Festival at the Palais des Festivals on May 12, 2016 in Cannes, France. (Photo by Pascal Le Segretain/Getty Images)
Julia Roberts (R) and Caitriona Balfe pose on May 12, 2016 before leaving the Festival Palace after the screening of the film "Money Monster" at the 69th Cannes Film Festival in Cannes, southern France. (Photo LOIC VENANCE/AFP/Getty Images)
Irish actress Caitriona Balfe poses on May 12, 2016 as she arrives for the screening of the film "Money Monster" at the 69th Cannes Film Festival in Cannes, southern France. (Photo ALBERTO PIZZOLI/AFP/Getty Images)
Caitriona Balfe attends the 74th Annual Golden Globe Awards at The Beverly Hilton Hotel on January 8, 2017 in Beverly Hills, California. (Photo by Frazer Harrison/Getty Images)
Caitriona Balfe attends the 21st Annual Screen Actors Guild Awards at The Shrine Auditorium on January 25, 2015 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images)
Caitriona Balfe attends SiriusXM's Entertainment Weekly Radio Channel Broadcasts From Comic-Con 2015 at Hard Rock Hotel San Diego on July 10, 2015 in San Diego, California. (Photo by Vivien Killilea/Getty Images for SiriusXM)
Caitriona Balfe and Sam Heughan attend The Paley Center for Media's 32nd Annual PALEYFEST LA "Outlander" at Dolby Theatre on March 12, 2015 in Hollywood, California. (Photo by Alberto E. Rodriguez/Getty Images)
Caitriona Balfe attends the "Money Monster" photocall during the 69th annual Cannes Film Festival at the Palais des Festivals on May 12, 2016 in Cannes, France. (Photo by Andreas Rentz/Getty Images)
Irish actress Caitriona Balfe poses on May 12, 2016 during a photocall for the film "Money Monster" at the 69th Cannes Film Festival in Cannes, southern France. (Photo ANNE-CHRISTINE POUJOULAT/AFP/Getty Images)
Caitriona Balfe attends the "Picture Me: A Model's Diary" reception at The National Arts Club on September 8, 2010 in New York City. (Photo by Stephen Lovekin/Getty Images for Picture Me)
Caitriona Balfe attends a special screening of Summit Entertainment's "Now You See Me" at the ArcLight Theaters Hollywood on May 23, 2013 in Hollywood, California. (Photo by Alberto E. Rodriguez/Getty Images)
Caitriona Balfe attends the Starz Series "Outlander" Premiere - Comic-Con International 2014 at Spreckels Theatre on July 25, 2014 in San Diego, California. (Photo by Vivien Killilea/Getty Images)
Caitriona Balfe, Tobias Menzies, and Lotte Verbeek attend the Samsung Galaxy VIP Lounge at Comic-Con International 2014 at Hard Rock Hotel San Diego on July 26, 2014 in San Diego, California. (Photo by Imeh Akpanudosen/Getty Images for Samsung)
Caitriona Balfe, Tobias Menzies, and Lotte Verbeek attend the Samsung Galaxy VIP Lounge at Comic-Con International 2014 at Hard Rock Hotel San Diego on July 26, 2014 in San Diego, California. (Photo by Imeh Akpanudosen/Getty Images for Samsung)
Caitriona Balfe attends the BAFTA Los Angeles Tea Party at The Four Seasons Hotel Los Angeles At Beverly Hills on January 10, 2015 in Los Angeles, California. (Photo by Jason Kempin/Getty Images)
Caitriona Balfe attends the 2015 InStyle And Warner Bros. 72nd Annual Golden Globe Awards Post-Party at The Beverly Hilton Hotel on January 11, 2015 in Beverly Hills, California. (Photo by Jason Merritt/Getty Images)
Caitriona Balfe attends ELLE's Annual Women in Television Celebration on January 13, 2015 at Sunset Tower in West Hollywood, California. Presented by Hearts on Fire and Olay. (Photo by Jason Merritt/Getty Images)
Caitriona Balfe attends the 21st Annual Screen Actors Guild Awards at The Shrine Auditorium on January 25, 2015 in Los Angeles, California. (Photo by Ethan Miller/Getty Images)
Lotte Verbeek, Sam Heughan, Caitriona Balfe, Graham McTavish, Ronald D. Moore, Gary Lewis, and Tobias Menzies attend the "Outlander" mid-season New York premiere at Ziegfeld Theater on April 1, 2015 in New York City. (Photo by Jamie McCarthy/Getty Images)
Caitriona Balfe (L) and Lotte Verbeek attend the "Outlander" mid-season New York premiere at Ziegfeld Theater on April 1, 2015 in New York City. (Photo by Jamie McCarthy/Getty Images)
Caitriona Balfe takes a photograph at the Starz: "Outlander" panel during Comic-Con International 2015 at the San Diego Convention Center on July 11, 2015 in San Diego, California. (Photo by Ethan Miller/Getty Images)
Sam Heughan, Caitriona Balfe and producer Maril Davis attend the Starz: "Outlander" panel during Comic-Con International 2015 at the San Diego Convention Center on July 11, 2015 in San Diego, California. (Photo by Ethan Miller/Getty Images)
Executive Producer Ronald D. Moore, actors Caitrona Balfe and Sam Heughan and author Diana Gabaldon speak onstage during the Outlander panel on January 8, 2016 in Pasadena, California. (Photo by Frederick M. Brown/Getty Images)
Caitriona Balfe and Sam Heughan attend the STARZ Pre-Golden Globe Celebration at Chateau Marmont on January 8, 2016 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)
Caitriona Balfe attends the 73rd Annual Golden Globe Awards held at the Beverly Hilton Hotel on January 10, 2016 in Beverly Hills, California. (Photo by Jason Merritt/Getty Images)
Caitriona Balfe attends InStyle and Warner Bros. 73rd Annual Golden Globe Awards Post-Party at The Beverly Hilton Hotel on January 10, 2016 in Beverly Hills, California. (Photo by Frazer Harrison/Getty Images)
Caitriona Balfe attends the "Outlander" Season 2 Premiere on April 4, 2016 in New York City. (Photo by Craig Barritt/Getty Images for STARZ)
Tobias Menzies, Caitriona Balfe, and Sam Heughan pose for a picture as the Television Academy Presents "Outlander" Panel Discussion at NYU Skirball Center on April 5, 2016 in New York City. (Photo by Mike Coppola/Getty Images)
Caitriona Balfe and Sam Heughan attend "Outlander" and Saks Fifth Avenue Photocall at Saks Fifth Avenue on April 7, 2016 in New York City. (Photo by Laura Cavanaugh/Getty Images)
Caitriona Balfe attends the "Manus x Machina: Fashion In An Age Of Technology" Costume Institute Gala at Metropolitan Museum of Art on May 2, 2016 in New York City. (Photo by Dimitrios Kambouris/Getty Images)
Caitriona Balfe attends the "Cafe Society" premiere and the Opening Night Gala during the 69th annual Cannes Film Festival at the Palais des Festivals on May 11, 2016 in Cannes, France. (Photo by Andreas Rentz/Getty Images)
Julia Roberts, Jodie Foster, George Clooney, Caitriona Balfe, Dominic West and Jack O'Connell attend the "Money Monster" Photocall during the 69th annual Cannes Film Festival on May 12, 2016 in Cannes, France. (Photo by Pascal Le Segretain/Getty Images)
Catriona Balfe attends the Louis Vuitton show as part of the Paris Fashion Week Womenswear Spring/Summer 2017 on October 5, 2016 in Paris, France. (Photo by Pascal Le Segretain/Getty Images)
Irish actress and model Caitriona Balfe poses on the red carpet as she attends the 62nd London Evening Standard Theatre Awards 2016 in London on November 13, 2016.
(Photo should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
Irish actress and model Caitriona Balfe (R) poses with British actor Sam Heughan (L) on the red carpet arriving to attend the world premiere of the film T2 Trainspotting in Edinburgh on January 22, 2017. / AFP / Andy Buchanan (Photo credit should read ANDY BUCHANAN/AFP/Getty Images)
BEVERLY HILLS, CA - JANUARY 08: Actress Caitriona Balfe attends The Weinstein Company and Netflix Golden Globe Party, presented with FIJI Water, Grey Goose Vodka, Lindt Chocolate, and Moroccanoil at The Beverly Hilton Hotel on January 8, 2017 in Beverly Hills, California. (Photo by Jonathan Leibson/Getty Images for FIJI Water)
Irish actress and model Caitriona Balfe (R) poses with British actor Sam Heughan (L) on the red carpet arriving to attend the world premiere of the film T2 Trainspotting in Edinburgh on January 22, 2017. / AFP / Andy Buchanan (Photo credit should read ANDY BUCHANAN/AFP/Getty Images)
Star on the Rise: Caitriona Balfe