On our radar: Demi Moore changes her Twitter handle

Speaking of "Idol," judge Jennifer Lopez is featured in Wisin & Yandel's new single, "Follow the Leader." The music video for the song, directed by Lopez's boyfriend Casper Smart, is officially out. Thoughts? Is JLo still hot? Or should she remain at the judges' table only? Let us know in the comments.

And yet another judge of a popular singing competition, this time Adam Levine of NBC's "The Voice," is starring in a new video for Maroon 5's single "Payphone." E! News has behind-the-scenes footage of the frontman at work.

And in other music video news (it's clearly been a busy week for the music world!), Justin Bieber's full video for his single "Boyfriend" has been released (Bieber fans, settle down now).

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"Bachelor" fans, should the show's host, Chris Harrison, be the next bachelor to star on the long-running ABC show? People Magazine asks that question in a survey after Harrison told the magazine this week that he and his wife of 18 years are calling it quits. Does this mean Harrison is being considered for the role? The magazine says it "couldn't help but wonder." So now we're wondering, too. If this turn of events happens, will you watch?

Stay tuned for ... George Clooney's birthday on Sunday. The actor is turning 51. Also, check out "Jimmy Kimmel Live!" on May 7, when "Twilight" star Kristen Stewart will be featured in a segment promoting her upcoming movie, "Snow White and the Hunstman," according to PopSugar. The new film is slated to open in theaters on June 1. Stewart taped the interview yesterday in Los Angeles, and PopSugar has photos of her arrival at the studio. PopSugar also reports that Stewart is rumored to be attending Monday night's Met Costume Institute Gala in New York, along with a slew of other fashionable stars.

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