Christina Aguilera has resembled a '50s screen siren for many years so this ad campaign is slightly predictable. However, everything about Christina looks amazing from her white blonde hair, to her long eyelashes to the beautiful Stephen Webster jewellery that she is advertising. Webster has bejewelled many a-list stars from Sienna Miller, to Charlize Theron to Jay-Z, but Christina has said that the pair have been friends for a long time,

"Stephen and I have been friends for many years and working together on this campaign and this collection has been an incredible experience...He's a wonderful designer with a creative spirit and innovative vision and I am honored to be a part of it all."

The ad premieres in next month's W mag.