Zac Efron pays tribute to girlfriend on first anniversaryLos Angeles, Sep 8 (AZINS) Actor Zac Efron paid tribute to his girlfriend Sami Miro on their first anniversary of togetherness by posting their image on Twitter.

"Happy anniversary baby :) I love you. September 5th @SamiMiro," the 27-year-old actor captioned an image featuring a silhouette of the couple, reports aceshowbiz.com.

The image was taken on a balcony near a high-rise building. The silhouette appeared to be their reflection on a glass door in front of a white curtain.

Efron could be seen kissing Miro's cheek while the girl was capturing the moment.

Just minutes after Efron's post, his girlfriend responded with her own message, posting another of their images.

This photograph showed them donning reverse hats while cuddling each other next to a glass window.

She captioned it: "Time flies when you're having fun. Happy anniversary baby. I love you too September 5th @ZacEfron."