TMZ Live: Justin Bieber -- Playing by Selena's Rules Now

TMZ Live Justin Bieber Playing by Selena's Rules

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There's a new sheriff in Justin Bieber-ville now, and her name's Selena Gomez! We found out she's officially taken him back, but she's demanding he clean up his act. Can she put him on the straight and narrow?

Plus, Lamar Odom loses his temper on a photographer after being asked about cheating rumors -- then calmly snaps a photo with fan. We talk to the fan -- who says Lamar was cool as a cucumber the whole time.

And, Jay-Z hates Robert De Niro ... is the something about Bob that we don't know?

TMZ Live Justin Bieber Alleged Battery Mike Tyson Sounds Off :: tmzlive-download-podcast-graphic

TMZ Live Justin Bieber Alleged Battery Mike Tyson Sounds Off :: tmzlive-play-by-play-3

(0:00) Justin Bieber news mania -- Selena Gomez takes him back, Lil Twist gets a DUI, and a club gets fined for serving the underage star booze.
(10:00) Charlie Sheen enlists Jon Cryer in his fight against Brooke Mueller ... and also takes a trip to find the Loch Ness Monster. Just a day in the life...
(18:00) Lamar Odom goes H.A.M. on a photog -- we talk to the brave fan who dared to snap a photo with him during the tirade.
(24:00) Jay-Z hates Robert De Niro ... and isn't afraid to say it.
(29:00) Sherri Shepherd may have accidentally admitted Jenny McCarthy will be the new lady on "The View."
(32:00) Justin Bieber's mom -- should she be doing more to curb his bad behavior?
(36:00) The floor is yours!
(41:00) It's time again for ... Tim's worst pitches of the week!