Byrd also put her tremendous coaching talents to use on The Voice, Canadian Idol, and more.
This is the fourth alleged victim who has accused Lythgoe of sexual assault in less than two months.
Holker will be a judge alongside Jojo Siwa and Maksim Chmerkovskiy.
Lythgoe announced his departure from the show earlier this month following Paula Abdul's sexual assault allegations against the longtime judge.
The lawsuit was filed by two unidentified former All American Girl contestants.
With the help of a 'Drag Race' alum and a refreshingly honest intro to one of the season's best dancers, it's fixing to be a landmark season for 'Dance.'
In honor of tonight's season (series?) finale, enjoy these ten routines that helped the dance competition series evolve.
With an utterly fabulous "Call Me Mother" routine, So You Think You Can Dance is officially having its best season in years.
Celebrate the TV anniversary of the time ballroom Benji beat out contemporary Travis for the season 2 'So You Think You Can Dance' crown.
Celebrate the TV anniversary of the time Lady Gaga turned a televised dance competition into an exercise in dodging footwear.
Celebratethe TV anniversary of the prettiest dance between two statues ever.
Celebrate the TV anniversary of the day we finally got to have Twitch in our lives.