Buzz Bites (8/3/10): Justin Bieber ... In 3-D!!!

+ Mark your calendars: Valentine's Day 2011 will see the release of a 3-D Justin Bieber film. (MTV News)

+ Eminem and Dr. Dre display their special chemistry on the cover of the new issue of VIBE magazine. (PopEater)

+ The Saturdays have done an acoustic, harmony-heavy cover of Justin Bieber's "Baby." (Idolator)

+ Trendsetter (or fashion disaster, depending on your perspective) Ke$ha rocked blue lipstick and Ewok-chic headgear at a Casio event in New York last night. (TheFabLife)

+ Jason Derulo, who has opened for Lady Gaga and Black Eyed Peas in the past, will kick off his first headlining tour in Philly, this September. (ThatGrapeJuice)