ace-johnson-michael-jackson

What a thriller!

Jessica Simpson‘s sweet son Ace, 19 months, is seen mastering his moonwalk Tuesday on Instagram.

Uncle Evan Ross – the newlywed husband of Jessica’s sister Ashlee Simpson – shared a sweet snapshot of his nephew channeling his inner Michael Jackson.

“The other day with the amazing baby Ace. Working on his Michael Jackson moves. Always the best of times with the family #EricJohnson @jessicasimpson and @tinersimpson,” Uncle Evan captioned the image.

Last month, proud mama Jessica also shared an adorable snap of her growing boy trying to play tennis.

Meanwhile, Ace’s big sister, 2½-year-old Maxwell, was recently seen getting into the girlie stuff.

“I need to move my lipgloss drawer!” Jessica captioned an image in November, after Maxi got into mommy’s makeup drawer.

The other day with the amazing baby Ace. Working on his Michael Jackson moves. Always the best of times with the family #EricJohnson @jessicasimpson and @tinersimpson

A photo posted by Evan Ross (@realevanross) on Feb 2, 2015 at 11:13pm PST