Model Heidi Klum and Tom Kaulitz celebrate their 4th wedding anniversary on Feb 22.

On the occasion, the model shared a carousel post on their Instagram handle.

The post includes a video of a passionate kiss and a n*ked selfie.

She captioned the post, "love of my life” along with a heart emoji.

Klum and Tom were married in a secret ceremony in 2019.

On Wednesday, Klum also shared a video of her with Kaulitz in their car.

However, there is a 17-year age gap between the couple.

Recently, The model also opened up about starting a family with Tom.

Although, Klum has four children Leni with her ex Seal.

She's happy with her current husband and sharing the joy.