Taylor Swift Suffers Wardrobe Malfunction Onstage!

No nip slips here!

Taylor Swift suffered a wardrobe malfunction onstage Saturday night in St. Louis, but fans didn't get too much of an eyeful: the country cutie was all covered up!

PHOTOS: Stars most embarrassing wardrobe malfunctions ever

During a performance of "You Belong With Me," as revealed in a video clip on the Huffington Post, the 21-year-old Grammy winner's blue dress blew up mid-song, revealing her nude underwear! Swift quickly swatted down her skirt and continued on with her lyrics.

PHOTOS: Taylor and more of Hollywood's biggest flirts

Unlike many of her contemporaries, the "Speak Now" songstress is relatively modest when it comes to flaunting her physique. In April she told London's The Telegraph that she "[doesn't] feel comfortable taking [her] clothes off."

PHOTOS: What guys has Taylor dated?

"I wouldn't wear tiny amounts of clothing in my life, so I don't think it's necessary to wear that stuff in photo shoots," she added. So does anyone try to talk her into sexing up her style and dressing more provocatively? "Not anymore, no," she said.

MORE ON WONDERWALL:

Sexiest girls of summer

Hollywood's hottest legs

Field guide to summer concerts