Pics: Ryanair sexy cabin crew calendar

Calendar cover. Quirky UK low-cost airline, Ryanair, has launched the 2013 edition of its annual cabin crew calendar, featuring the sexiest air hostesses in lingerie and swimwear. This time round they're hoping to raise €100,000 for the Warsaw-based TVN Foundation who specialise in helping children who suffer from cystic fibrosis.

Back cover. The calendar will be for sale on board all Ryanair flights for €10 and all proceeds go directly to TVN. Watch the behind-the-scenes video.Check out the behind-the-scenes video from the shoot.

January's girl - Patrycja Wagner. Check out the behind-the-scenes video from the shoot.

Miss June - Monika Kaveckiene. Check out the behind-the-scenes video from the shoot.

Miss November - Matilde Casalini. Check out the behind-the-scenes video from the shoot.

Ryanair CEO Michael O’Leary (centre) with Patricia Turienzo Martin Albo (Miss February, Spanish); Patrycja Wagner (Miss January, Polish); Casandra Amores (Miss April, Spanish); Monika Kaveckiene (Miss June, Lithuania); Harriet Frost (Miss September, English); and Lynn Jimenez (Miss October, Irish) at the 2013 Ryanair Cabin Crew Charity Calendar launch in Warsaw.