Is Lucy Mecklenburgh dating Louis Smith? Pair enjoy 'string of dates'

has reportedly enjoyed a "string of dates" with Olympic gymnast

. The pair got to know each other on the set of

earlier this year, and are said to have recently

. "There were lots of rumours about Louis and Lucy when he was judging

and she was a contestant," a source told the

. "

."

Louis, 25, started dating someone straight after Tumble, but when they split and he bumped into Lucy, 23 again, sparks flew. "They had a brilliant time and

," the source added. "The way things are looking,

."Just last month, Louis – set to appear on reality show

in the New Year – shared a black and white photo of himself with Lucy. "Look who I found… @lucymeck1. She looks just as good in a dress as she does in a leotard #tumble," he wrote in the accompanying caption.

© Photo: Instagram

Lucy's new romance with Louis comes after her short-lived relationship with Welsh TV presenter

.Lucy and Gethin – previously engaged to

– were first linked back in August, and were pictured holding hands on a date the following month.Despite their split, the pair have remained friends. "We're not dating," Lucy recently confirmed to

magazine. "

. I was so busy after

and he travels a lot, so it wasn't the best time." Insisting that she and Gethin were never "official", the former

star added, "(We're in touch) as friends. He's the nicest guy. It was a mutual thing."