XS but fits more like a bigger small or medium White House Black Market top. Like new. I’ve worn this top many times and it STILL looks like it’s off the rack from the store. You’ve gotta love WHB’ quality!! 😊 This too has raised silver dots that sparkle beautifully ⭐️ You can wear this with a blazer or cardigan to the office or dress it up for a night on the town. Don’t miss this beauty! XS but fits more like a bigger small or medium