Lady Gaga brushes her teeth in between takes as she joins Jack Huston appears on House of Gucci set

Salma Hayek is seen for the first time as Pina Auriemma on the House Of Gucci set

Lady Gaga looks in high spirits as 'black widow' Patrizia Reggiani on the set of House Of Gucci

Lady Gaga looks unreal as she teams up with champagne giant Dom Perignon for futuristic new campaign