The singer wore nothing but boots, a thong bodysuit, a hat and a smile while rocking out to the song from JT's 2002 debut album.

Britney Spears' latest dancing video not only features ex Justin Timberlake's music — she's doing her whole routine to the 2002 track. The "...Hit Me Baby One More Time" hitmaker, 43, frequently shares videos of herself dancing on Instagram,

In the clip, which she shared without a caption, Spears wore a sheer black bodysuit, black suede boots and tan cowboy hat as she moved along to the music in front of a fireplace.