Sparking rumours of a reconciliation, Zayn was spotted heading into his ex-girlfriend's apartment on Wednesday evening before re-emerging the following day in exactly the same clothes.
Not only that, eagle-eyed fans had noticed Gigi had liked one of his Instagram posts promoting his new album.
The former One Direction star dropped the track last week - a month after he announced his split from his model girlfriend after more than two years.
He wrote the song "seven or eight months ago" when he was still with Gigi , and says that at the time, he believed they were going to spend the rest of their lives together.
And in the music video, Zayn plays the part of a gangster and gets sexy with a Gigi lookalike