T-Pain & Ke$ha's Musical Love Affair Continues, Bieber Takes A Break, Rihanna Gets Her Hair Pulled In Detroit And MORE! -- RISE AND GRIND: MORNING MUSIC NEWS

T-Pain and Ke$ha's musical love affair continues. The Auto-Tune king and queen are hitting the studio together to quite possibly produce the greatest hip-pop party anthem ever! [Rap-Up]

Fans in Detroit must love Rihanna's hair, because they kept pulling the red hot singer's fiery red tresses. RiRi got her hair pulled not once, but twice, by crazed fans while performing in Detroit. Luckily RiRi didn't lose any locks, but it probably didn't feel too great. [Idolator]

Say goodbye to Justin Bieber. No worries though, Justin's only taking a break from music for about a month. Justin needed a little "me time," so he's going on a short hiatus. [PopCrush] 

Marc Anthony and Pitbull make it rain in their new video "Rain Over Me." The two Latin kings got together for a spicy hip-hop/Latin collabo. [Rap-Up]