Khloe Kardashian (left) and Jessica SImpson
02/15/2009 at 10:05 AM EST
Joining the chorus
of Jessica Simpson
supporters, Khloe Kardashian is now echoing her big sister, Kim Kardashian
, who's said Jessica "looks hot
"Most people would die to have that body," reality-star Khloe, 24, says about Simpson, in response to some recent flak about the country singer's shape.
"I do think she's gained a little weight, but Jessica is so petite and so beautiful that if she gains five pounds it looks like a lot more," Kardashian told PEOPLE at Tao Las Vegas's Anti-Valentines party, on Friday the 13th. "I think she's stunning."
Khloe herself has had to fend off negative comments about her own weight – and she still brushes them off.
"I'm just happy with myself and I don't care what anyone else says," she said. "It's important to have good family and good morals."
What she doesn't necessarily need: men. Newly single
, Kardashian said, "I love single life. I've always been more of a single girl."