BOO GAZING CELEBS OUT: JAY-Z , MARIAH CAREY, MILEY CYRUS, MIGUEL & MORE

A shoulder injury can't slow down Mariah Carey, who rocks a glamorous (albeit practical!) accessory at Saturday's MLB All-Star Charity Concert in N.Y.C.

Jay-Z makes his way from the art gallery to London's Yahoo! Wireless Festival stage on Saturday.

Miguel performs at Wireless Festival in London, Britain.

Love her, Emeli Sande performs on stage at the 'T In The Park Festival' in Scotland.

Sexy Rihanna heading to a boat at the Port of Hercule in Monaco going to a super yacht.

Tatyana Ali seen shooting for 'A Very Larry Christmas' in Sherman Oaks, Los Angeles.

Kourtney Kardashian takes her daughter Penelope out for a lunch date in Los Angeles, love the sandals and the Prada diaper bag.

Mom-to-be Jennifer Love Hewitt lets her growing belly take center stage in Burbank, Calif., where she cerebrated Old Navy's Mickey Through the Decades collection at a Saturday Walt Disney Studios event.

Life's a beach for Gwen Stefani and son Kingston, 7, who soak up the Malibu sun.

This little boy, Giving Ben Franklin a run for his money, Miley Cyrus stocks up on some groceries with her mom Tish Cyrus at Trader Joe's in Toluca Lake, Calif.