Things are getting serious on the dance floor asDancing With the Starsenters the semifinals.

In the first round, they will each dance a ballroom style number.

See below for what styles each couple will dance and to what songs in both rounds of theDWTSsemifinals.

DANCING WITH THE STARS - “Stars' Stories Week: Most Memorable Year” – “Stars’ Stories Week” kicks off its exciting two-night event with “Most Memorable Year.” The 12 remaining couples will perform emotional routines that best represent the most impactful years of their lives. An all-new episode of “Dancing with the Stars” will stream live MONDAY, OCT. 17 (8:00pm ET / 5:00pm PT), on Disney+. (ABC/Eric McCandless)SHANGELA, GLEB SAVCHENKO

Shangela and Gleb Savchenko on ‘Dancing With the Stars’.Eric McCandless/ABC

Dancing With the Starsairs live Mondays onDisney+at 8 p.m. ET/5 p.m. PT.