Quiz: How well do you remember the lyrics of Lady Gaga's biggest hits?
Now an accomplished actress as well as a singer-songwriter, there’s not much Lady Gaga can’t do.
Who can forget when she came on the scene with a bang in 2008 with hit singles "Just Dance" and "Poker Face", the top tunes of the night club scene, and her obscene outfits in the years that followed?
Without a doubt, Gaga has had hit after hit since, and today marks the legend's 31st birthday. See if all that singing along to them on the dance floor/in the shower has helped you remember her lyrics: