She's made history when she became the first transgender model to land a major cosmetics campaign.

And Andreja Pejic is certainly enjoying her growing fame, brushing shoulders - and lips - with Hollywood friends.

The 23-year-old attended generationCure's annual Solstice event in New York on Tuesday night, where she was seen locking lips with Kelly Osbourne.

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Why not? Andreja Pejic was seen locking lips with Kelly Osbourne generationCure's Solstice event in New York on Tuesday night

For a cause? The event is one that raises awareness for aids prevention and cure research. The pair have been friends for years

Andreja was dressed in a silky pink and white dress, which she teamed with a matching scarf and lack boots.

It was an all-black affair for Kelly, 30, who was adorned in a floor length black dress with lacy short sleeves.

For the event, which raises awareness for AIDS prevention and cure research, she accessorised with diamond earrings, rings and a bracelet - as well as a zebra print purse.

The pair, who have been friends for years, posed for pictures together before their spontaneous lip lock.

Pretty in pink: Andreja was dressed in a silky pink and white dress, which she teamed with a matching scarf and lack boots

Black night: It was an all-black affair for Kelly, 30, who was adorned in a floor length black dress with lacy short sleeves

Scouted as a model at age 17, last week she opened up on her 2014 gender re-assignment surgery, telling Harper's Bazaar: I knew from the age of 13 that I needed to transition completely, to have my surgery, to live life as a woman.'

Worrying she would ultimately lose her career after the operation, the model has been humbled to not only flourish, but to make history.

She has become the first openly transgender model to be profiled by Vogue magazine, which happened in the mag's May issue.

Also, this month Andreja became the first transgender model to land a major cosmetics campaign, after she was announced as a face of Make Up For Ever's latest campaign.

Shaking things up: The pair posed for pictures together before their spontaneous lip lock