Ophelia is the youngest of the Nirvana drummer's three children with Blum. They also share Violet Maye, 18 and Harper Willow, 15. Blum, who has been married to Grohl for 20 years, has not yet publicly commented on her husband's infidelity.

The Foo Fighters frontman was seen leaving a Spirit Halloween store with his 10-year-old daughter, Ophelia, in LA on Sunday.

Dave Grohl was recently seen shopping for Halloween decorations with his daughter Ophelia, marking his first public appearance since revealing he fathered a child outside his marriage to Jordyn Blum.

The Foo Fighters star dramatically admitted earlier this month he fathered a child outside his marriage to his longtime wife Jordyn Blum.

Foo Fighters frontman Dave Grohl has been seen out and about for the first time since he announced he had fathered a child with a woman who isn't his wife, Jordyn Blum

As Dave Grohl breaks cover following his shock love child revelation, a real-life 'other woman' opens up about the emotional turmoil of raising her married lover's baby