What’s old is officially new again. Case in point: After going through a box of old things, Carrie Underwood‘s sons have discovered the art of Tae Bo — a martial arts style of fitness that became popular during the 1990s — and they can’t seem to get enough, especially the country singer’s son Jake.
Underwood took to Instagram on Friday (Jan. 6) to share a candid video of Jake watching a Tae Bo class and performing the moves in perfect unison with the television, sometimes with a little help from his toddler hands to help lift up his legs. “Jake starting off the day right!” the country singer wrote…