Trump resurfaces -- he 'looks fantastic and stronger than ever': supporter
President Donald Trump. (AFP Photo/MANDEL NGAN)

Brigitte Gabriel, the founder of the right-wing group ACT for America, posted a photo of Donald Trump on Saturday evening.

"President Trump looks fantastic and stronger than ever!" she wrote in a message with a picture of the former president.

"President Trump is losing weight and getting in great shape, and it's driving the left absolutely mad," she added.

Her tweet generated a great deal of commentary. Here's some of what people were saying: