Ashton Kutcher and Mila Kunis were spotted singing along with the band’s widely recognised love song I Want It That Way.

Mila Kunis and Ashton Kutcher were spotted packing on the PDA at a Backstreet Boys concert in a rare romantic outing.

The Enter Sandman rockers are rumoured to be next in line to sign a deal to perform a string of dates at the impressive venue ...