Age is clearly just a number for Allison Janney!

The 56-year-old actress brought her handsome, 35-year-old boyfriend, Philip Joncas, to the Sundance Film Festival on Saturday, Jan. 23 — and we can’t get over how adorable the two look on the red carpet together!

“He’s pretty handsome,” the Mom star gushed to E! News at the premiere of her new dramedy, Tallulah.

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Allison and Philip on Jan. 23.

The West Wing actress later confirmed she and Philip — who is 21 years her junior! — have been together for “about a year.” But, she added fans shouldn’t expect an engagement announcement from the pair anytime soon… or possibly ever!

RELATED: Watch Allison Janney Smooch Her 35-Year-Old Boyfriend Philip Joncas at the Emmys

“I don’t believe in that institution,” Allison — who sported tight green pants, a green sweater and suede snow boots on the Tallulah red carpet — said of marriage.

We’re glad to see the duo looking happier than ever!