Chris Hemsworth & Elsa Pataky
The Aussie heartthrob wishes his longtime love a "Happy V-day" on Instagram.
Kerry Washington
"At work today. But overflowing with that goofy 'I'm so grateful & I'm loving life' kinda love," she wrote. "Hope you are spending #valentines day with someone you LOVE... starting with yourself, of course."
Olivia Wilde & Jason Sudeikis
"We had been dating one month when I went to meet his entire family in Kansas. 8 years ago. When you know, you know. Also I'll travel anywhere for good bbq. Happy Valentines, everybody," the Booksmart director shared on Instagram.
Steph Curry
The NBA star wrote to wife Ayesha Curry, "Happy Vday babayyy! You are all the adjectives and more. Love you! 'He who finds a wife finds a good thing!'"
Alicia Keys
"It's not about one day, it's about a lifetime," the singer shared on Instagram. "Here's to a lifetime of love on all levels."
Ashley Benson & Cara Delevingne
"A kiss with a cause. This Valentine's Day when you share a photo of you and a loved one— a significant other, a friend, a pet—you can also raise awareness and help create a future with more survivors thanks to @su2c #KissCancerGoodbye campaign," the model advocated on Instagram.
Halsey & Evan Peters
"Life is going 'swimmingly.' Happy Valentine's Day," the pop star shared from her and Evan's vacation in Switzerland while wearing a L*SPACE swimsuit.
Gisele Bundchen & Tom Brady
"My forever Valentine," the retired supermodel wrote on Instagram. "Te amo! Wishing you all a happy Valentine's Day."
Will Smith & Jada Pinkett Smith
"Love will have you makin' all sorts of stuff," the actor wrote on Instagram. "Here's to another thousand kisses @jadapinkettsmith."
Princess Eugenie & Jack Brooksbank
The royal wrote on Instagram, "This Valentine's Day I wanted to share an oldie but a goodie of Jack and I in 2010, the year we met... Happy Valentine's Day."
Heidi Klum
The supermodel gets a cheeky present for husband Tom Kaulitz, writing, "Happy Valentine‘s Day. Thank you @gwynethpaltrow for the perfect Valentine‘s Day gift."
Fergie
"#axljack my valentine everyday," the singer shared.
Emma Stone
Love is in the air! The actress hosts her 3rd annual Em & Friends Magic House Valentine's Day charity event where guests treated themselves to indulgent Baileys Red Velvet Hot Chocolates.
Karrueche Tran & Victor Cruz
"Happy Lover's Day," the star wrote.
Ben Higgins & Ashley Iaconetti
Over Valentine's Day weekend, Bachelor Nation heads to Lake Tahoe for a romantic getaway and to record a special romantic Almost Famous podcast episode.
Mike "The Situation" Sorrentino & Lauren Sorrentino
The Jersey Shore stars enjoy a romantic dinner.
Gabrielle Union & Dwyane Wade
"Close your eyes, hold my hand, I gotchu. Happy Valentine's Day @dwyanewade," the actress shared on Instagram.
Sofia Vergara & Joe Manganiello
"HAPPY VALENTINES DAY MY LOVE!!!" the actor gushed.
Nicole Scherzinger & Thom Evans
"A toast to LOVE day y'all," the Pussycat Dolls songstress wrote.
Heather Rae Young
In her Valentine's Day tribute to Tarek El Moussa, she shared, "Too many words and not enough space to tell you how much I love you @therealtarekelmoussa Everyday I am showered with love, kindness, & support from you. You are the man I always waited & Dreamed of. I never gave up the hope we would find each other. And then on that day in Newport we met & there you were with your goofy adorable smile. I love you so much @therealtarekelmoussa happy Valentine's Day my love. To many many more."
Vanessa Bryant
Kobe Bryant's widow shared on Instagram, "To my forever Valentine, I love you so much. Missing you so much on your favorite holiday. Te amo per sempre. Kisses to you and Gigi in heaven. Happy Valentine's Day, my babies."
Kylie Jenner
Kylie gathers her closest gal pals for an extravagant brunch celebration in honor of Valentine's Day.
Ben McKenzie & Morena Baccarin
The Deadpool actress paid tribute to her leading man in a sweet post on Instagram. "My Valentine❤️," she wrote alongside a smiling photo.
Barack Obama & Michelle Obama
"Happy Valentine's Day to my forever dance partner, @MichelleObama," the president wrote to his first lady. Michelle also posted a family photo from a chilly day in the snow. "Happy Valentine's Day, my loves," Michelle wrote. "You make even the coldest days feel warm."