H&M

H&M

We do love a good celeb-meets-high street collaboration, but throw in a good cause and we're definitely on board.

Stars from the worlds of music, film and fashion have put their creative hats on to design clothing for H&M's second collaboration with charity organisation Fashion Against AIDS.

We particularly love Dita Von Teese's contribution - a cutesy tee with a print of her face on it - while, in keeping with her own outlandish fash sense, Katy Perry has created a fun leotard covered with a graffiti print of the human anatomy.

While Dita and Katy opted for artistic interpretations, other contributors have been more direct with their designs. Estelle's offering is a black and white tee reading ‘Life is too short. Be safe. Have sex,' while Cyndi Lauper's similarly sloganed creation is a play on her most famous hit, reading ‘Girls just wanna have safe sex," in pink lipstick.

It's all to raise awareness of the importance of safe sex and to help the fight against AIDS, with 25% of sales being donated to youth HIV/AIDS projects - so you can feel like your doing your good deed for the day while you shop. (Got to love a guilt-free purchase right?)

N.E.R.D, Roisin Murphy and Robyn have also got in on the action, and all the designs will be available to buy in H&M's Youth Divided section from May 28.

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By Sarah Karmali