RHOBH's Kathy Hilton was part of a star-studded event in Las Vegas when her husband of 45 years got a special shoutout.

Bella Thorne celebrates her 28th birthday at The Fleur Room in Los Angeles with Paris Hilton, both wearing glamorous vintage-inspired outfits at the stylish party.

Paris Hilton takes Halloween very seriously. The socialite and heiress donned multiple Halloween costumes this year—including one with an emotional backstory. To cap off her “Halloweek” on October 31, ...

"We'd be on the phone at 9:00, 10:00 at night being like, 'How are we going to do this?'" Richie tells PEOPLE Amy Sussman/Getty Longtime best friends Paris Hilton and Nicole Richie are back! 17 years ...