Jennifer Aniston Celebrated Her Birthday Without Justin Theroux

As his fiancée was celebrating her 45th, the actor was partying in NYC.

Feb. 12, 2014 -- Jennifer Aniston turned 45 Tuesday, but her celebration with fiancé Justin Theroux will have to wait.

The two were on opposite coasts on her big day.

According to E! News, Aniston toasted the occasion with Courteney Cox at the Soho House in West Hollywood, while Theroux had a boys' night in New York City.

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Theroux, who is currently shooting his new HBO series "The Leftovers" on the East Coast, hung out with Orlando Bloom and pal Scott Campbell, who is married to actress Lake Bell.

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The group attended a party at the Deth Killers store opening where Theroux, who reportedly stopped by a perfumery earlier in the day, was "very sweet," People magazine reported.

"Justin was upbeat and laughing in the shop with Orlando as he tried on different hats, which he ended up wearing out at the end of the night," a rep for the store said. "[He] smiled for pictures, and was friendly to staff in the shop. Took selfies with partygoers alongside Orlando."