As the costars promoted crime-spoof sequel The Naked Gun, they have been "enjoying each other's company," continued the source. Neeson and Anderson have exchanged sweet kisses on the cheek on red carpets, and recently puckered up to apply Anderson's Sonsie lip balm while on Watch What Happens Live with Andy Cohen.

During a new promo for their film The Naked Gun, Liam Neeson planted a kiss onto his co-star Pamela Anderson, leaving fans with more to believe the two are an item

Liam Neeson trades action for absurdity in a bold reboot of "The Naked Gun"—bringing deadpan charm and decades of gravitas to comedy's silliest badge