MILWAUKEE (CBS 58) -- Pentatonix will bring its “Hallelujah! It's a Christmas Tour” to Fiserv Forum on Tuesday, Dec. 17, celebrating the holiday season.

The Grammy-winning a cappella group announced the performance on Tuesday, Sept. 3, billing the tour as their largest Christmas-tour to date.

The group has won three Grammy Awards, including two in the category of "Best Arrangement, Instrumental or A Cappella" in 2015 and 2016, becoming the first a cappella act to win in this category. In 2017, they received another Grammy for "Best Country Duo/Group Performance" for their duet with Dolly Parton on "Jolene."

In addition to their awards, Pentatonix has sold over 10 million albums worldwide and has reportedly generated billions of streams across various platforms

Their catalog includes two chart-topping albums on the Billboard 200 and multiple certifications, with several albums achieving gold or platinum status internationally. Their single "Hallelujah" also earned platinum certification in Canada and gold in Germany and Switzerland.

Fans will have access to VIP packages through a partnership with Superfan, offering benefits such as premium seats, a Q&A as well as access to a pre-show lounge.

Tickets for the Milwaukee show go on sale Friday, Sept. 6 at 10 a.m. at Fiserv Forum's official website.