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Pink shares sweet throwback photo with hubby Carey Hart for Valentine's Day

Pink, Sofia Vergara and other celebs let their loved ones know they were thinking of them this Valentine's Day.
/ Source: TODAY

Awww! They look like babies!

Pink celebrated Valentine's Day on Tuesday by taking to Instagram to share the sweetest throwback photo with hubby Carey Hart.

"My sweet sweet valentine. I've been loving you for so long I don't remember what it's like not to," the pop superstar, 37, wrote in the caption of an adorable pic taken in the early days of the couple's romance.

Pink and Hart, who tied the knot in 2006, welcomed their first child, daughter Willow Sage, in June 2011, and their second, son Jameson, on Dec. 26, just a week before they rang in their 11th wedding anniversary in early January.

RELATED: See the sweet messages the Obamas sent each other on Valentine's Day

But the blissful couple are hardly the only celebs to ring in Valentine's Day with sweet social media posts. Love was in the air all around Hollywood.

"Modern Family" star Sofia Vergara, 44, let her husband, "Magic Mike" star Joe Manganiello, 40, know he was on her mind by sharing an Instagram pic of the pair.

Kim Kardashian, 36, tweeted a pic that found her smooching her husband, Kanye West, 39.

Actress Olivia Wilde, 32, shared a sweet pic with her funny-man husband, Jason Sudeikis, 41.

Wilde's hashtag? One perfectly sweet heart.

Happy Valentine's Day, everyone!