Ellen Celebrates Her 2,000th Episode With Amazing Surprise Guests

Ellen DeGeneres celebrated a major milestone on Thursday: the 2,000th episode of her hit show! For the first time, Ellen was left completely in the dark about who her guests would be. In addition to being surprised by Jennifer Aniston, who was Ellen's first guest ever, Justin Timberlake made a sweet and hilarious appearance. Peter Roth, president and CCO of Warner Bros. Television Group, also came out to announce that for only the fourth time in the 90-year history of Warner Bros., they are dedicating Stage One to The Ellen DeGeneres Show and it will officially be named the "Ellen" stage. Watch Jen and Justin's surprises above, Peter's dedication below, and then check out Ellen grilling Justin Bieber about his nude photo scandal.