What's going on with Courteney Cox?

The former Friends star stepped out in LA earlier this week looking skinnier than she has in recent months — and her startling appearance has left some fans worried about the 52-year-old's health.

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Comparing photos from May of this year, the brunette beauty appears to have lost some weight.

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courteney cox splash, getty images

Courteney in May 2016 vs. September 2016. (Photo Credit: Splash, Getty Images)

Despite fans' concerns, Courteney has been having a great 2016 after reconnecting with fiancé Johnny McDaid following a short breakup in December 2015.

Scroll through the gallery below to see how the mother-of-one's face has changed since her hit TV series ended!