Selena Gomez & Cara Delevingne Take the Plunge at CR Fashion Book Launch Party!

Selena Gomez rocks a plunging neckline while attending the CR Fashion Book Launch Party as part of the Paris Fashion Week Womenswear Spring/Summer 2015 on Tuesday (September 30) in Paris, France.

The 22-year-old entertainer was joined by Victoria’s Secret supermodels Cara Delevingne and Joan Smalls.

PHOTOS: Check out the latest pics of Selena Gomez

Selena‘s boyfriend Justin Bieber was also spotted hitting the party, where he kissed CR Fashion Book editor-in-chief Carine Roitfeld.

Earlier in the day, Cara showed some love for girl group TLC after wrapping up a photo shoot.

FYI: Selena is wearing Louis Vuitton with de Grisogono jewelry.

10+ pictures inside of Selena Gomez and Cara Delevingne at the CR Fashion Book Launch…