'They're infatuated with each other': 1D's Harry Styles 'to celebrate 21st birthday with model girlfriend Nadine Leopold in LA'
As Harry Styles gears up for his 21st birthday, sources have revealed that he's planning to make the landmark occasion quite the romantic affair.
According to The Sun, the One Direction heart-throb will have his Victoria's Secret model girlfriend Nadine Leopold, 21, by his side when he celebrates his big day on Sunday.
A source said: 'Everyone's teasing him, saying he's in love, and he's not denying it. It's the real deal. He's never felt this way about anyone before.
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Big day: Harry Styles reportedly plans to celebrate his 21st birthday with his new girlfriend Nadine Leopold in Los Angeles on Sunday
'Harry has spent virtually all his free time in Los Angeles with Nadine. They're infatuated with each other and can't stand being apart. There's nobody else he'd rather be with on his birthday.'
MailOnline has contacted a representative for Harry Styles for comment.
Austrian beauty Nadine, who was introduced to Harry by her agent in November, has been keeping herself busy with work commitments, this week jetting off to Istanbul.
Blossoming romance: The two have been romantically linked since being introduced in November
And while Harry is preparing for his band's world's tour, which kicks off in Sydney on February 7, his belle appears to be excitedly looking forward to Valentine's Day.
Recently taking to Instagram to share a shot of herself in sexy black lingerie, she wrote: 'Only a few weeks left until Valentine's Day.'
It's only a matter of weeks since Nadine herself celebrated her 21st birthday on January 7 - and she marked the occasion with Harry by her side.
Busy lady: Nadine's modelling commitments took her to the Turkish city of Istanbul this week
Romance on the mind: The Austrian beauty recently shared a shot of herself in sexy black lingerie as she declared that Valentine's Day was 'a few weeks' way
The two were spotted having dinner at Craig's in West Hollywood, California, on January 6, and the following day were spotted celebrating Rande Gerber's Malibu eatery Cafe Habana.
At the time, a source told Us Weekly of the couple's romantic status: 'Harry has been getting more serious with Nadine.'
The source noted that the two were 'spending lots of time together,' but were not yet exclusive.
Hitting the road: Harry and his band-mates (l-r) Louis Tomlinson, Zayn Malik, Niall Horan and Liam Payne are set to kick off their world tour in Sydney on January 7
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