How 13 celebrities celebrated Valentine's Day

In the age of social media, conventional Valentine's Day wisdom dictates: receiving a box of chocolates or a bouquet requires an Instagram post.

Stars from Tom Brady to Kate Hudson have marked Feb. 14 by wishing their loved ones a happy Valentine's Day on social media, replete with lovey-dovey photos.

"My forever Valentine," Brady wrote alongside a photo of him with his wife, Gisele Bündchen.

Bündchen responded with a similar pic, and added: Te amo! [I love you!] Wishing you all a happy Valentine's Day."

Meanwhile, Hudson shard a professionally snapped photo of her with her family -- partner Danny Fujikawa; sons Ryder and Bing, 16 and 8, respectively; and daughter Rani, 1 -- and captioned it: "All my Valentines."

For more social media posts from celebs this Valentine's Day, see below: