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

Unlike what you’d find in their new parody movie, there's no food innuendo on display here. Liam Neeson is truly in awe of Pamela Anderson’s sourdough recipe. That’s the cutest thing to see a man confidently praise his girlfriend’s cooking with Anderson blushing in response.