And for the daytime engagement, she dressed down a suit with the ultimate cool girl ... Letizia brightened her monochrome gray look with a subtle burgundy smoky eye and a natural pink lip.

The superstars were all smiles as they walked back to their car, looking totally in sync in suits and pinstripes. Rihanna went for a monochrome moment up top, opting for a light-gray pinstripe ...

The 19-year-old actress made jaws drop to the floor this time around as well, with her monochrome skirt suit that she paired with a body hugging corset. Rasha Thadani looked like a million bucks ...

The rapper arrived in a Dior gray wool suit with a contrasting, silk peak lapel. In a nod to the night's dress code — "The Garden of Time" — Harlow wore a Dior Lily of the valley brooch in his ...