Rihanna launches makeup collection. Britney wears designer duds.

Rihanna launches makeup collection. Britney wears designer duds.
Rihanna, who launched the new RiRi Loves MAC makeup collection on Thursday, performs live in Sydney, Australia, the same day. (Cameron Spencer / Getty Images)

Rihanna's new RiRi for MAC makeup collection rolled out at MAC stores and online on Thursday. At the time, she was performing in Sydney, Australia. [Los Angeles Times]

In her new "Work Bitch" video, Britney Spears wears (mostly skimpy) outfits including pieces (like shoes, gloves, etc.) by designers including Jean Paul Gaultier, Giuseppe Zanotti and Christian Louboutin. The looks were styled by B. Akerlund and Britney's hair was done by L.A. stylist Kim Kimble. [The Cut]

"Glee's" Naya Rivera is sporting a large cushion-cut diamond surrounded by pave diamonds in her new engagement ring from rapper Big Sean. [People]

LeBron James' new sports watch with Audemars Piguet launched this week with a party in Miami's South Beach. [WWD]

Rita Ora is featured in DKNY's ad campaign for its resort 2014 collection. [The Cut]

Versace is distancing itself from the Lifetime move "House of Versace," which is scheduled to premiere Saturday. "Versace has neither authorized nor had any involvement whatsoever in the forthcoming TV movie about Mrs. [Donatella] Versace,” the company told WWD. [WWD]

Michael Kors has worked with New York City's God's Love charity, which delivers meals to the hungry and sick, for more than 20 years. He also reportedly donated $5 million so the organization could renovate a building -- which now is to be named for Kors. [Fashionista]