X17 caught up with Reese Witherspoon on Thursday, and she was full of thanks!

The actress, who had been shopping at Nieman Marcus, chatted with photographers as she waited for the elevator, and in only about a minute-and-a-half, we counted Reese saying "thank you" five times!

Witherspoon looked cute in a white dress, showing off her tan from her 4th of July holiday in Malibu. We love how classy and polite Reese always is! Of course, in Malibu she did show off that surprisingly bad-girl tattoo ...