Buzz Bites (3/24/12): Hilary Duff And Mike Comrie Welcome Baby Boy Luca Cruz Comrie

Hilary Duff's baby boy, Luca Cruz Comrie, was born on Tuesday.

+ Hilary Duff and Mike Comrie's baby boy, Luca Cruz Comrie, was born Tuesday. "We are overjoyed and feel like the luckiest parents in the world. He is surrounded by so much love!! Mom and baby are both doing extremely well," tweeted Momma Duff. (MTV News)

+ J. Cole collab'd on Melanie Fiona's The MF Life, which dropped Tuesday. She returns the favor on Cole's next record. "It's about a competition he was having with young girls and boys about keeping your head up and staying positive," Fiona said of the upcoming song. (Billboard)

+ Usher revealed in an interview that his next album will be called Shanertance. He's also working with British singer-songwriter Labrinth. He also wants to duet with an in-demand star: "I think the world deserves an Usher and Adele record." Yes, please! (Rap-Up)

+ Germany's Echo Awards were held yesterday. Peep Lana Del Rey performing "Video Games" and Katy Perry performing "Part of Me." (Just Jared)

+ Carly Rae Jepsen makes her U.S. television debut on "The Ellen DeGeneres Show" today. The show features her performance and a sneak peek of her mentor Justin Bieber's "Boyfriend." (Just Jared Jr.)

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