The Grammy-winning a cappella group and special guests Kelly Clarkson, Backstreet Boys, Penn & Teller, and Maren Morris celebrate the holiday in Las Vegas.
| Actor | Role |
|---|---|
 Scott HoyingSelf | Self |
 Mitch GrassiSelf | Self |
 Kirstin MaldonadoSelf | Self |
 Kevin OlusolaSelf | Self |
 Matt SalleeSelf | Self |
 Kelly ClarksonSelf | Self |
 Maren MorrisSelf | Self |
 Nick CarterSelf - Backstreet Boys | Self - Backstreet Boys |
 Kevin RichardsonSelf - Backstreet Boys | Self - Backstreet Boys |
 Howie DoroughSelf - Backstreet Boys | Self - Backstreet Boys |
 AJ McLeanSelf - Backstreet Boys | Self - Backstreet Boys |
 Brian LittrellSelf - Backstreet Boys | Self - Backstreet Boys |
 Penn JilletteSelf | Self |
 TellerSelf | Self |