Momsen stays rosy in a bright skirt – and matching lips – at a bash in N.Y.C. Plus: Maks & Karina, Christina Aguilera, Johnny Depp, Mariah Carey and more

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After being whisked away to Barbados by husband Nick Cannon for her 40th birthday celebration recently, Mariah Carey stays on the move Wednesday, arriving at Heathrow Airport in London.