But one group of young female fans found themselves the envy of millions after bumping into the heartthrob on the romantic day.
Harry, 19, paid a visit to a Nandos restaurant in Leeds and his appearance left many of the patrons in shock.
Lucky girls: A group of female teenage were delighted when they bumped into Harry Styles in Nandos on Valentine's Day
The One Direction singer was dressed in a white T-shirt, a denim shirt and had an orange beanie on his head for the trip to the chicken restaurant.
And it didn't take long for fans to ask for pictures, which were swiftly uploaded to Twitter.
One girl tweeted a snap of herself with the star and wrote: 'Harry styles in Nandos in Leeds!!!! Bad photo but omg.'
I just met Harry! Fans wasted no time in posting their pictures with the singer to Twitter
Here he is! The 19-year-old was said to be alone in the chicken eatery but was more than happy to pose for pictures with fans
According to patrons in the chicken eatery, Harry arrived alone before being swamped by fans asking for pictures.
Harry is currently single after splitting from Taylor Swift over New Year after rowing while on holiday in the British Virgin Islands.
Even the boys are at it: Harry didn't discriminate and posed for pictures with male fans too
He's causing plenty of excitement! Harry's appearance left everyone in shock
The country music star will be up against Styles and his band One Direction in the Favourite Song category at the upcoming ceremony in March.
Taylor recently sent out a strong message to ex-boyfriend Styles at the Grammys.
In an apparent dig at her former British love, the singer adopted an English accent as she pretended to speak on her phone mid-performance during a rendition of We Are Never Ever Getting Back Together.
'I'm sorry, I'm busy opening the Grammys and we're never getting back together,' she quipped, seemingly mocking the One Direction star.
No love lost: Harry is set to come face-to-face with his ex Taylor Swift at the Nickelodeon Kids Choice Awards next month