Katherine Webb says she gave up fame and her celebrity lifestyle to have kids with Houston Texans QB AJ McCarron ... and she says she'd "do it all again in a heartbeat."
Tuesday is the 7-year anniversary of when Webb exploded into the national spotlight after Brent Musberger famously fawned over her during the Alabama-Notre Dame National Championship Game broadcast.
The moment was as memorable as any from the game itself ... Musberger famously said of McCarron's then-GF, "Wow! I'm tellin' ya, you quarterbacks, you get all the good-looking women! What a beautiful woman!