The fundraiser is from 6 to 9 p.m. Saturday at the Bee County Expo Center.
Cowboy singer, songwriter and author Jeff Gore is the guest entertainer.
The event will include silent and live auctions.
“Hegar is a true conservative who fights on behalf of Texas taxpayers,” says Mike Showalter, a spokesman for the event.
Admission is $25 each; a table seating eight costs $250.