The couple tied the knot earlier this month in a private ceremony in Los Angeles.
"I made it! Honestly, 20 year old Frances wasn’t sure that was going to happen," she said of her milestone birthday.
Frances confirmed their relationship in a lengthy Instagram update shared at the top of the year.
Gone too soon.
The pair got married in 1992, and were together until the Nirvana singer's death in 1994.
The grunge rock icon died in Seattle on April 5, 1994.
Daughters of legendary musicians unite!
Today marks the 24th anniversary of the legendary grunge rocker's death.