JENNIFER GARNER can do it all! She's a movie star, a humanitarian, and now she's expecting her third baby with her husband, Ben Affleck! This wonder mom will be sitting down with Ellen to explain exactly how she does it all. You wanted him, and now he's here! The buzz around CODY SIMPSON is getting louder by the minute. He's signed with Justin Bieber's manager and was on tour with Greyson Chance. This amazing Australian 14-year-old will tell Ellen about the whirlwind adventure he's been on, and perform his new song, "On My Mind." After 8 amazing seasons, HBO's "Entourage" has come to an end. KEVIN DILLON will be here to tell Ellen how it felt walking away from the show for the last time and how he's making the transition to his new show, "How to Be a Gentleman." It's all happening this Tuesday on Ellen!