The Marquis de Castello is the frontman in Mother's pan-European launch campaign for Arla Food's premium cheese brand Castello.
The Marquis, who is the head of the House of Castello, is a fun-loving man with a passion for cheese, women and wild parties.
Set in a castle in the 18th century, but with a modern twist, the spot features costumes and wigs designed by Lady Gaga's stylist.
The ad, which breaks in the UK this week, has already aired in other European markets.
It was directed by Jonas Akerlund, who has created music videos for Lady Gaga, Beyoncé, The Prodigy and Madonna. The narration is by Michael Gambon and James Dreyfus.