LADY GAGA is the hottest and most talented pop star around -- and she's appearing exclusively with Ellen! She just released yet another #1 mega-hit, "Judas," and will give an incredible performance you won't see anywhere else! Then she'll sit down with Ellen to reveal what we can expect next! Then, another huge superstar will be here... JUSTIN TIMBERLAKE! No matter what he does, he's always amazing. Not only is Justin one of the top musicians, he's an incredibly talented actor, and he only just turned 30! He's not visiting Ellen alone -- the Golden Globe-nominated MILA KUNIS is joining him! They both starred in Oscar-nominated films last year, and now they're having fun in the new comedy "Friends with Benefits" -- and Ellen is getting all the details on some of their sexier scenes!