Actor Zac Efron sparked rumours he is romancing actress Michelle Rodriguez after they were snapped kissing while on holiday in Italy over the weekend.

In the pictures, the "High School Musical" star hints at a new relationship with Rodriguez as he bends down to kiss her while onboard a yacht off the coast of Sardinia, reports contactmusic.com.

The `Fast & Furious` star is also seen leaning into Efron as they relax with friends.

The two were invited on the holiday by Italian businessman Gianluca Vacchi, who shared videos on photo-sharing site Instagram of Efron dancing and back flipping off the yacht.