It's a day of #1s! Ellen has an epic surprise guest that has just about made #1 their middle name. Tune in to find out who it is!

Then, Ellen has a brand new CoverGirl ad with SOPHIA VERGARA from the #1 sitcom on TV, "Modern Family!" These two gorgeous, funny ladies had a fantastic time on the set together, and Ellen has the video to prove it!

Plus, ADAM LEVINE and GYM CLASS HEROES are here to perform the #1 song, "Stereo Hearts" from the Gym Class Heroes' new CD, "The Papercut Chronicles II." This Wednesday, Ellen is going to be music to your ears!