It was a very important day at the show -- Justin Bieber graduated from high school! Ellen had a surprise graduation ceremony all set up for him. Watch the whole event right here.
While she was here, the pop diva told Ellen about her very personal new movie, "Part of Me"!
It's no surprise that Will and Jada Pinkett Smith would have two incredibly dynamic children. Will was here and gave Ellen some insight into Willow and Jaden, and what it's like at the Smith household.
If they weren't verified celebrities before, Sophia Grace & Rosie threw out the first pitch at a Dodgers game! They showed Ellen all the fun they had, and all the celebrities they met... in this video.
Two of the most beautiful women in the world were here together for a very special appearance! The rumor mill has been swirling about these two not getting along on set -- and they addressed the rumors head-on! And, Jennifer opened up about returning to "Idol" -- and rumors about adoption.
We scoured the internet and we finally found it! This vintage commercial features a young Ellen DeGeneres before her sitcom! Take a look at the commercial that helped launch her career right here.