Zayn has publicly declared his 爱情 for the Little Mix singer, saying the three big words over Twitter.
"A very special happy birthday to my baby Perrie," Zayn tweeted. "Love you."
Perrie celebrated her birthday 由 going on a shopping spree with Zayn and her mother.
"They make a lovely couple," Perrie's mum recently revealed. "I really hope they make a go of it.
"I've been to his house and met the two of them with his mum and his three sisters, and I think they're really good for each other."
