The Season 21 competitors of “Dancing With the Stars” each took to the ballroom to perform a routine to commemorate their most memorable year. But one of the most notable moments of Week 4 surprisingly occurred off the dance floor when Andy Grammer’s partner Allison Holker revealed on the live ABC series that she’s pregnant.

Allison was joined by her husband Stephen Boss, whom she married in 2013, and her daughter Weslie, when she revealed the exciting news.

“There’s three of us now!” Andy chimed in, excited for his partner.

Allison quipped that every dance the two perform in the future will be a trio instead of a duo.

“DWTS” co-host Erin Andrews then questioned the Utah native, who is four months pregnant, what her pregnancy would mean for the competition.

“I am so about this for Andy,” Allison responded, revealing that she’s eager to win the Mirror Ball trophy with the “Honey I’m Good” singer.

“Dancing With the Stars” airs Monday nights at 8 p.m. EDT on ABC.

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