Is Reese Witherspoon pregnant?

Reese Witherspoon has set tongues wagging that she's pregnant with her fourth baby.

The 41-year-old actress has been out and about over the past week, and while she's been rocking some super cute outfits, fans seem to think they've spotted a baby bump!

We're going to play devil's advocate and say it's probably very unlikely Reese is pregnant. Our guess is it's just the shape and style of her dresses.

The Legally Blonde actress is already a mum to daughter Ava, 17, and son Deacon, 13, with ex-husband Ryan Phillippe and a four-year-old son, Tennessee, with her current husband, Jim Toth.

During a recent interview, Reese confessed she regretted filming movies during her past three pregnancies.

"I did a movie every time I was pregnant, and I wish that I hadn't. I just wish I'd just let myself be pregnant," Reese said.