The 57-year-old veteran actor arrived with wife Emma Heming to the UK launch of A Good Day to Die Hard.
Reality TV stars including I'm a Celebrity... Get Me Out of Here! runner-up and Dancing on Ice judge Ashley Roberts, and past and present The Only Way is Essex faces Sam Faiers, her boyfriend Joey Essex and Harry Derbidge were also in attendance.
Other celebrities to arrive included cagefighter Alex Reid, Signed by Katie Price winner Amy Willerton and former X Factor contestant Amelia Lily.
A Good Day to Die Hard sees Willis reprise his character of John McClane. In the fifth film in the franchise, McClane travels to Moscow to help his son Jack, unaware that he is in fact a CIA operative.
A Good Day to Die Hard