By Rebecca Lewis. CREATED 5:16 PM
Las Vegas, NV (KTNV) -- The 49th annual MDA telethon is happening on Sunday night.
It's the biggest night of the year for those fighting Muscular Dystrophy.
Here in the valley, things kicked off Thursday night with a premiere party at Tahiti Village Resort and Spa.
MDA families, friends, partners and volunteers were all in attendance.
The national telethon will be broadcast on Channel 13 beginning at 9 p.m.