Justin Theroux Dishes on Valentine's Day Plans With Jennifer Aniston at 'Zoolander 2' Premiere

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ET caught up with Justin Theroux at the Zoolander 2 premiere in New York City on Tuesday, where the writer-actor filled us in on what he and wife Jennifer Aniston have in store for Valentine's Day.

"We're going to probably have a romantic date night," Theroux told ET. "Her birthday falls like three days before, so I'm just wearing out my credit card on her birthday and then that!"

The Golden Globe-winning actress, who wed Theroux on Aug. 5, 2015, turns 47 on Thursday.

Theroux reprises his role as Evil DJ in the Ben Stiller-directed Zoolander 2, which follows Derek Zoolander (Stiller) and Hansel (Owen Wilson) on their mission to save the world from the villainous Jacobim Mugatu (Will Ferrell).

Stiller's wife, actress Christine Taylor, also stars in the movie, which was fun for Stiller as the boss on set. He joked about the experience with ET's Samsung sweepstakes winner, Blake, who acted as ET's special fan correspondent on the purple carpet.

"It's great, because I get to tell her what to do," Stiller joked with Blake. "In life, that's usually the other way around, so I enjoyed that part for sure."

Zoolander 2 opens Feb. 12.