Los Angeles, Dec 19 (TIWN) Model-turned-actress Cara Delevingne has debunked the rumours of break-up with actress Ashley Benson by marking her 30th birthday with an emotional message on social media.

She took to Instagram to share a series of photographs of the birthday girl, including one of the couple kissing in a bathtub, and captioned it: "Happy birthday @ashleybenson. There is so much I could say but something I love and cherish most about us is that I don't need to because YOU KNOW and that's all that matters.