rihanna

For Mother's Day today, several of our favorite stars -- including Demi Lovato, Channing Tatum, Rihanna, Miley Cyrus, Justin Bieber, Britney Spears, Lucy Hale, Kim Kardashian -- tweeted Happy Mother's Day wishes to their moms and moms around the world, and also shared some private photos with their moms. Here are some of our favorites:

This week's Woman Crush Wednesday needed to be someone with raw talent and fierce fashion sense. Rihanna not only fits that mold, she redefines it.

Eminem and Rihanna certainly brought the energy with their power-packed performance of 'The Monster' at the 2014 MTV Movie Awards. The Detroit rapper and Barbadian beauty rocked the mic as they sang and rapped one of the biggest (and best) songs of 2014.

At this point, almost nothing Rihanna wears surprises us. Almost. At the 2014 MTV Movie Awards, Rihanna raised eyebrows -- yet again -- with a look that flirted with being straight-up lingerie.

We've heard the song "The Monster", but do we know what the song symbolizes? In the midst of shooting the official music video, we get a behind-the-scenes look.

Two of the world's most talented artists are hitting the road together. Find out when and where.

"DRihanna" appear to be back on. While he has denied it, Rihanna and Drake were seen holding hands in England.

Chris Brown is single… again. The singer, who is focused on his rehab and his new music, like his duet with Ariana Grande, has split with his long-suffering, on-off GF Karrueche Tran. Is Rihanna to blame?

After collaborating on two hit songs, Eminem and Rihanna have announced that they're hitting the road this summer!

Rihanna landed her third Vogue cover, this time rocking her signature pixie, a sheer black top and jeans for the March 2014 issue. The feature pretty much explains and celebrates the "Rihanna Effect" in fashion, which is essentially the notion that her look is copyable on the mass level and that women want to dress like her.

Rihanna's 'S&M' video has been slapped with an ongoing lawsuit.

Rihanna is one of the hardest working and most successful pop stars in the world, with lots of endorsements and revenue streams. However, a new lawsuit filed against her accountant reveals that the diva was almost bankrupt back in 2009.