Hollywood’s finest starlets attended the 2009 MTV Movie Awards last night and the red carpet was all about youth, freshness and casual elegance!

Cameron Diaz took it in a casual way, wearing a printed top and J Brand jeans.

Leighton Meester looked cute in a black Emilio De La Morena cutout dress. She paired it with suede Brian Atwood booties.

Twilight actress Kristen Stewart arrived at the event in a Yigal Azrouël Fall 2009 black and red dress and rebellious sneakers.

Whitney Port stepped up in a white origami draped dress.

Hayden Panettiere opted for a black Ungaro Spring 2009 strapless cowl-neck dress.

Sandra Bullock arrived wearing a midnight blue Abaeté dress with black opaque tights.

Miley Cyrus donned a nude halter dress. She complimented her look with jewels by Robert Lee Morris for Elizabeth and James and Loree Rodkin.

Be still, our hearts on fire. Megan Fox chose a black and gold Dolce & Gabbana strapless mini dress and Christian Louboutin sky high gladiator sandals.

Super fab Vanessa Hudgens channeled cerebral Bohemian chic in a Max Azria gown. We heartily approve.

Sienna Miller shined in a green sequin Twenty8Twelve Fall 2009 dress mini dress and metallic Nicholas Kirkwood sandals.

Paris Hilton, as always, graced the red carpet a glittering. She wore a Jenny Packham pastel dress and chose shimmery accessories.

Lauren Conrad went for vampy red lips and flared it out with a Moschino Fall 2009 rose-printed bubble hem dress.

Ashley Tisdale stepped out of her comfort zone wearing an Elise Øverland sheath dress.

Audrina Patridge sparkled in a one-shoulder sequin mini dress.

source: Getty Images