Gigi Hadid and Zayn Malik announce their breakup on Twitter

Gigi Hadid and Zayn Malik are confirming on social media that their romance is over.

The 22-year-old model and 25-year-old musician each posted on Twitter Tuesday about the end of their two-year relationship.

Hadid wrote that she is "forever grateful for the love, time and life lessons" she and Malik shared, adding that "there is really no way to put into words what two people experience together over a few years."

Malik said the two "had an incredibly meaningful, loving and fun relationship" and that he continues to respect and adore Hadid "as a woman and a friend."

Hadid is a supermodel who has been featured by Versace, Fendi, Balmain and other high-end brands. Malik is a singer and former member of the band One Direction.