Oliver Tree‘s team wasted no time fulfilling his wishes following his sudden death earlier this month -- they've officially launched Dr. Oliver Tree's Extremely ...

Ariana Grande wrote some songs about Ricky ... and now he's at her show! That's right -- the pop star's ex Ricky Alvarez attended her "Eternal Sunshine" tour Friday ...

B2K went to their secret weapon in a music battle against Pretty Ricky ... bringing out an 11-year-old on stage for a mega-boost ... Omarion's son, Megaa. Check out the video ...