Jennifer Arnold’s Fans Say Her Kids Are ‘Growing up so Fast’ after Seeing Their New Photo

"The Little Couple" stars Jen Arnold and Bill Klein's children are growing up fast! Fans could not believe their eyes recently when Jennifer posted a picture of them to Instagram, shown below.

The TLC reality show debuted May 26, 2009. It follows businessman Bill Klein and Dr. Jennifer Arnold who is a well-known neonatologist.

Both suffer from skeletal dysplasia. Jennifer completed her pediatric residency and masters of medical education at the University of Pittsburgh Medical Center.

The pair adopted two children who also suffer from dwarfism. In March 2013, they adopted their son, Will, from Hohhot, China and then on October 15, 2013, they adopted a daughter, Zoey, from Delhi, India.

Fans of the show have seen the children growing up over the years. However, a recent picture posted by Jen still left fans stunned by how quickly they were growing.

Jennifer took to social media to share a sweet picture taken during the holidays of their children sitting in front of a fire. She wrote:

"Warming up by the fire... We had so much fun visiting family @cltactivedad @lisakarno #babyitscoldoutside #holidayseason #momlife #momsofinstagram #littlecouple."

Many fans took to the comments to express their thoughts on the picture. Most fans were stunned by how quickly the children were growing up. One fan wrote:

"t's so cute Zoey coming out of her shell. Will always been a Johnny go luck. He always been go with the flow. Happy Holidays."

Fans of the show have watched the family grow, change and overcome challenges. From Jen's December 2013, diagnosed with a rare form of cancer, stage 4 choriocarcinoma to adopting their children.

Jen's cancer was sparked by a non-viable pregnancy she had suffered in September 2013. She has also undergone a number of operations over the years.

Over the years, fans have seen Zoey's adoption, Arnold's cancer treatment, Will's fourth birthday, baptisms, the holiday season, and Arnold's 40th birthday. The show premiered the fourteenth season on August 6, 2019.