Selena Gomez [1], the singer, is back and better than ever after taking a couple of years to find her new sound and style — can you believe her last album, Stars Dance, came out in 2013? To promote her latest work, Revival, and get ready for her world tour, she hit every major show, from Today to The Tonight Show to the American Music Awards [2], performing her new hits "Good For You" and "Same Old Love" and even a cover or two. Keep scrolling to watch Selena sing her heart out in her best performances of 2015, then check out her sexiest moments on Instagram [3].

"Can't Keep My Hands to Myself" and "Me & My Girls" at the Victoria's Secret Fashion Show

"Same Old Love" on The Ellen DeGeneres Show

"Good For You" on Le Grand Journal

"Good For You" on BBC Radio 1

"Rude" on BBC Radio 1

"Good For You" on Alan Carr: Chatty Man