“Breaking Dawn’s” Kristen Stewart takes glamour to another level in a striking retro bikini in the new British edition of GQ magazine. Now wonder Robert Pattinson is head over heels for her.

Amazingly, the leggy Kristen, 21, says she always thought she looked more like a boy than a girl.

“I looked like a boy for a long time,” says Stewart. “Now I feel like a woman.”

Indeed, Stewart, 21, has appeared in a succession of glamour magazines and has shown a stunning, sophisticated sexuality in photo spreads.

Check out Kristen’s photos; click to enlarge.

Ironically, Kristen, who was recently named one of the sexiest women in the world by FHM magazine, hates being called “hot” and insists she rarely feels like a sex symbol.

I can’t stand [being called hot],” Stewart said. “What does that even mean? I don’t feel hot.”

But after seeing these photos she may have a change of heart. Not many young Hollywood starlets can match her glamour quotient.

Now that the “Twilight” series is finished shooting, Kristen has become one of the hottest actresses in Hollywood, even though her last two films, “Welcome to the Rileys” and “The Runaways,” left audiences cold.

That may change with the upcoming release of “On the Road” based on ’50s beat generation novelist Jack Kerouac’s book by the same name.

Her latest project, an action-adventure take on the Brother’s Grimm fairy tale Snow White, also looks like it could be a hit.

But Kristen also needs to show she can play glamour roles, if she wants to stay on top.

The slender 5’6″ actress, who dieted for her bikini and honeymoon scenes in Breaking Dawn, said she gets self-conscious when fans recognize her in public.

“I have to pick and choose where I’m going,” says Stewart, who’s dating hunky co-star Robert Pattinson.

“I have become very reclusive. Sometimes I’m like, ‘Oh, I can’t deal with anything right now, I can’t see anybody.’ ”

In GQ, photographer Norman Jean Roy shoots her in a retro, high-waisted black bikini as she lays on a recliner.

She wears bright red lipstick with curled hair which is not her characteristic style.

“Breaking Dawn, Part 1,” which co-stars Pattinson and Taylor Lautner, hits theaters Nov. 18, 2011.

Check out her photos.