With her face painted in full glam and hair combed into sleek glossy black waves, the megastar transformed the bathroom staple into elegant, enviable evening wear.

Rihanna wore a custom Jacquemus dress resembling a bathrobe at the launch of Fenty Hair in London on Sept. 16. Later in the night, she changed into a 2006 John Galliano gown.

If there's one thing Rihanna is an absolute pro at, it's leaving her fans in awe with her jaw-dropping looks. The ever-stylish "Diamonds" singer stepped out for a celebratory event in honor of her Fenty Hair brand on Monday,

Robyn Rihanna Fenty – the woman you are! The Fenty mogul popped up at the end of London Fashion Week for the launch of Fenty Hair in a trendy bathrobe.