Kim Kardashian's marriage lasted just 72 days, but the diamond headpiece she wore to her wedding appears to have some staying power.
The singer paired the unusual ornament with a black velvet plunging top and wide-leg trousers.
Kardashian isn't the only star that Keys has copied lately. She rocked Bruno Mars' signature pompadour hairstyle at the 2012 Grammy Awards.
Tell Us: What do you think of Alicia's headpiece?