Behati Prinsloo is a Victoria's Secret Fashion Show veteran, having walked in the past seven runway shows as a VS Angel, but Adam Levine's 24-year-old fiancee tells Us Weekly she still gets the jitters before hitting the catwalk.

"I'm literally having goosebumps," the supermodel admitted when Us beauty director Gwen Flamberg caught up with her in the hair and makeup room backstage before the show, taped in November and airing tonight on CBS.

How does the sexy supermodel get even sexier as she prepares to don those famous angel wings? She adheres to the motto more is more.

"A month before the show, I try to get into a routine of eating healthier, going to Pilates more -- doing everything more," the Namibian stunner told Us, after joking that her VS seniority had her walking her first show when she was "like, 12 [-years-old]."

For more behind-the-scenes scoop from backstage at the Victoria's Secret Fashion Show -- including angel Constance Jablonski's tips for the sexiest body ever -- watch the video above now before the runway show airs tonight, Dec. 10 at 10 p.m. (EST) on CBS.