STYLE STAR

If the reviews are bad and you’ve still got promotion to do, fly in Rihanna. The ‘Valerian and the City of a Thousand Planets’ star lit up the red carpet Monday night at the film’s London premiere, looking ravishing in a cleavage-baring, scarlet Giambattista Valli Couture gown. She matched the look with stunning ruby earrings and deep red lipstick.