Perez Hilton — Wait… what?!? Kim Kardashian is usually so supportive of her sisters, but not now! The 34-year-old momma popped up on Sunday's upcoming episode of Kourtney & Khloe Take the Hamptons, basically to talk trash on her family! [ Related: Kim Kardashian ... more info

L.A. Times - News — more info

L.A. Times - Entertainment — At Rihanna’s Diamond Ball Gala on Thursday night, pal Brad Pitt did the honors of introducing the 26-year-old to the stage -- but not without injecting a little humor into the mix. more info

Perez Hilton — We can't believe we didn't go to this! We're all about balls! LOLz! Srsly though, Rihanna performing at her own Diamond Ball on Thursday night may be the fiercest we've ever seen RiRi look and sound! [ Photos: Rihanna Rocks Two GORGEOUS Gowns To Her ... more info

Perez Hilton — Well, now we know that Brad Pitt is good at ANOTHER life-skill! The actor was the chosen one for Rihanna's inaugural Diamond Ball charity gala in Beverly Hills to introduce her to the crowd prior to her performance last night! [ Related: Rihanna Rock... more info

The Daily Mail — It may have been Rihanna's Diamond Ball charity event, held in the extravagant Vineyard in Beverly Hills, but Kris Jenner almost managed to steal the spotlight from the singer. more info

MTV.co.uk News — RiRi gets elegant for her first Clara Lionel Foundation Diamond Ball… more info

MTV.co.uk News — You won’t believe which song RiRi performed with a live orchestra… more info

Time — The singer shared a 15-second tease on her Instagram more info

MTV.co.uk News — The Bajan babe has posted a snippet of the track on Instagram, but who is the male vocalist? Could it be ex-Chris Brown... more info