Becki Newton is about to turn Barney Stinson's world upside down. Or, perhaps we should say, inside out.

On February 13, the former Ugly Betty and Love Bites star will debut on How I Met Your Mother as Quinn, a character who "will present a real challenge to" Barney," Newton teased to TV Guide Magazine's William Keck. "She kind of has Barney figured out before he even starts talking."

Get your first look at Newton in this (naked?) role now:

Expect Barney to be truly taken aback by this new love interest, the actress previews, concluding:

"For Barney, it will be like looking in the mirror. He's not used to someone speaking his language, and it's going to rock his world."

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.