Lady Gaga and Taylor Kinney are engaged!

Lady Gaga covered her hand when she stepped out in New York on February 16 - but there was no hiding it on Instagram! Photos: Getty Images and Instagram

Lady Gaga and Taylor Kinney are engaged after the actor popped the question on Valentine's Day.

The 28-year-old pop star shared the happy news with fans, posting a snap of her heart-shaped rock, alongside the caption: "He gave me his heart on Valentine's Day, and I said YES!"

According to US Weekly, the pair reportedly celebrated the happy news at her family's Manhattan restaurant, Joanne Trattoria.

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The Applause singer and her 33-year-old beau met on the set of her You and I music video in 2011 and started dating a few months later.

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They split briefly in May 2012 however they were back together the following month and have been inseparable ever since, even holding a commitment ceremony in October last year.

Gaga recently spoke to Howard Stern about her relationship, admitting that she would marry the Chicago Fire star if he asked her.

"He is the right guy," she gushed, "How do we know? It's this feeling..."

Taylor Kinney and Lady Gaga at the Kennedy Center Honors event in December 2014. Photo: Getty Images

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Taylor is equally as smitten, gushing to Us Weekly in April 2014 about how she inspires him.

"[She] is someone who’s always in your corner, that believes in you and your work, and vice versa," he said.

"You know, I love what she does and her work and music and charity. She inspires so many people including myself."

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