By Breaking Celebrity News Staff

Lindsay Lohan is sporting some seriously over-pumped lips.

The Mean Girls actress was spotted at an event in Los Angeles Thursday night, and a noted plastic surgeon had just one word for her uber-plumbed lips, Breaking Celebrity News is exclusively reporting.

"Wow!" Dr. Anthony Youn tells Breaking Celebrity News. “Lindsay's lips look like a pair of Kielbasa!"

The board certified plastic surgeon -- who has not treated Lohan -- off