Being rather cold in NYC, and Gaga choosing to go underwear-free, the frock ended up being rather revealing.

Sensibly she wore a long black fluffy coat over her shoulders but that didn’t cover her entire modesty.

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The musician was spotted heading to a recording studio earlier on in the evening

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Both the dresses showed off Lady Gaga’s famous curves

The 28-year-old seemed confident despite the nippy weather, and strolled along the pavement to the studio in sunglasses.

Having finished at the studio, just hours later, the star swapped her midnight blue dress for a similar-looking black frock.

The black number didn’t cover much more than earlier, but she did team it with an interesting red feather stole and matching red lipstick.

It’s said the star was headed out to a friend’s bachelorette party – known as a hen do in England – and Gaga arrived with a beautiful bouquet of flowers.

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Then the singer, after a quick change, headed out to meet friends

The singer has been writing new material for her up-coming album, and telling her fans – dubbed little monsters – all about it.

She said: “No happier me than waking up with the sunshine in my face after a night of writing songs. In my mind, I kept seeing all you monsters singing along. Smiling.

“I think the best part for me isn’t only just the songwriting process, it’s who we get to share it with when its all finished.”