Style fox Rachel Bilson works the blue carpet at the 22nd Annual Film Independent Spirit Awards on Saturday at Santa Monica Beach, Calif. The former Summer Roberts (sniff, sniff) recently shared her all-time favorite scenes from The O.C.:

“I like when I get to do things that really are embarrassing for me because it’s fun to make fun of yourself. I like the episode last year where at prom I got really drunk and fell off the stage and it was my first time doing a stunt, so I like to brag and tell people that I can do stunts because I got to fall off the stage, even though it was like a foot. The stunt girl did the fall… but I did a little of that. But that was just a fun episode — there were just so many.

“Oh, the Spider-Man kiss of course… the Spider-Man kiss was so cool. I remember reading it when Josh wrote that script; it was really clever and it was really fun to replay that kiss. Adam, I think, threw up in his mouth a little bit so the kiss wasn’t pleasant but other than that it was a really cool scene. It was upside-down.”

Rachel Bilson: My Mom Gave Me Sex Advice

“My mom’s a sex therapist, so she’s great at talking about relationships,” the O.C. star, 25, tells the new InStyle spinoff Your Look in its spring issue.

“She knew the day after I lost my virginity. Oh, yeah. She starting talking to me about sex. She said, ‘It happened last night, didn’t it?’ I was like, ‘How did you do that?!’ She did the whole mom thing, of course: Use condoms, etc. Weird, but helpful.”

But Bilson, whose three-year relationship with costar Adam Brody, 27, ended in December, has learned a few things about guys on her own.

For one thing, she says: “They have different body parts.”

She also suggests a trick for telling whether he’s the one: “If you’re scared he’s going to try and kiss you, it’s probably not right,” she says. “If you really want him to kiss you, he’s the guy.”

But for all her candidness, there’s one thing she keeps private. “I don’t talk about my breakup with Adam,” she says. “I don’t want the world to know everything. It feels awkward. Invasive.”

She will share one secret though – how to fake a killer figure. Bilson, who insists, “I don’t feel any pressure to be thin. I like to eat,” tells the magazine: “On the red carpet, there’s definitely a stance. My chin goes higher, and I automatically put one hand on my hip to give my body shape.”
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Budding fashionista Rachel Bilson sits front and center at the Zac Posen Fall 2007 fashion show during Fashion Week at The Promenade in NYC’s Bryant Park on Thursday night.

Rachel, 25, and Zac, 26, then cellebrated his collection at an after party at midtown restaurant Amalia.

Rachel sat right beside Rihanna (below), Joel Madden, and Nicole Richie. More pictures after the jump!

Sandwiched between actresses Amber Tamblyn and Aisha Tyler, The O.C. star Rachel Bilson sits front and center at the Badgley Mischka 2007 fashion show during Fashion Week in NYC’s Bryant Park. Rachel is expected to make an appearance at Zac Posen’s after party at midtown restaurant Amalia. More pictures of Rachel Bilson at Fashion Week here!

Which Hollywood starlet is hiding behind her hoodie jacket??

Why it’s The O.C.’s Rachel Bilson! Rachel, 25, hides behind hoodie before flashing a smile to the paparazzi as she readies herself to depart from Los Angeles International Airport on Wednesday night. Rachel will sit front row at the Badgley Mischka Fall 2007 Fashion Show at Fashion Week in NYC. She’s also expected to make an appearance at Zac Posen’s after party at midtown restaurant Amalia.