Beyonce and Jay Z slip off to Bora Bora for a little R&R before the twins arrive...

According to E! News

A source tells E! News, "Beyonce and Jay-Z celebrated their anniversary and babymoon in Tahiti. They spent five nights at the Intercontinental Bora Bora and Thalasso Spa."

"They stayed in a secluded overwater villa on a private island only accessible by boat," our source said.

Just to put that in perspective, a one-night stay at one of these villas is about $1296, meaning their total trip costs approximately $6,480.