Jason Aldean will be his brother-in-law
Chuck Wicks and fiancee Kasi Williams are getting married in Mexico.
The couple is getting hitched this Friday in Cabo San Lucas.
The country music star says just over 100 guests will be there.
Wicks started dating Williams, who's Jason Aldean's younger sister, in 2018.
The couple plans on spending their honeymoon in Maui.
