Jackass star Ryan Dunn dies in fiery car crash.

NBC Philadelphia reports that Dunn, 34, and another passenger died at 2:30 a.m. in West Goshen, Pennsylvania.

Police said the speeding car slammed into a tree and burst into flames.

Bam Margera's mother, April, confirmed the news to a local radio station, 93.3 WMMR.

Ironically, Dunn posted a photo of himself onlineboozing hours prior to the fatal crash (see below).

Dunn had infamously shoved a toy car up his rectum in the first "Jackass" flick and had been recruited by mad man Johnny Knoxville for the MTV franchise from their skater days.

As the news broke, Dunn's demise became the No. 1 trending topic on Twitter.

Bam’s mom  told RadarOnline.com: “I felt like I lost one of my own sons when I heard that Ryan Dunn died.”

Longtime pal and fellow daredevil Johnny Knoxville Tweeted, "Today I lost my brother Ryan Dunn.

"My heart goes out to his family and his beloved Angie.

"RIP Ryan, I love you buddy."