John Mayer admits he hasn't always been the most likable guy . . . especially when it comes to spilling secrets about his former relationships.  He says, quote, "I was just a jerk."

'90s singer Richard Marx recently added himself to the long list of Chris Brown haters when he Tweeted this . . . "Risque clothing banned at Grammys but guys who beat up women?  Come ooonnn downnnnn.....#goodcallgrammys." 

Christopher Walken has some advice for you! Wear your seatbelt.  He says, quote, "Even in the limo, I buckle my seatbelt.  I got that seatbelt on before the car moves." 

Lindsay Lohan is back at her mom's house on Long Island, sleeping in her childhood bedroom . . . because she's broke.

 You may not have known this, but a 6-year-old Bruno Mars had a cameo in the 1992 comedy "Honeymoon in Vegas" . . . as an Elvis impersonator.

This week's new movies are the Jason Bateman comedy "Identity Thief", and the final movie from director Steven Soderbergh.  It's a psychological thriller called "Side Effects". 

According to "Us Weekly", Taylor Swift and Carrie Underwood "hate each other" . . . and ordered Grammy execs to keep them separated at Sunday's show.