Demi Moore and daughters celebrate Bruce Willis on his birthday

Rumer Willis, Demi Moore, Tallulah Willis and Scout LaRue Willis (Evan Agostini/Invision/AP/PA)

US actress Demi Moore said she is “so grateful” for her ex-husband Bruce Willis, marking his 69th birthday.

It is the second birthday Die Hard star Willis has celebrated since announcing he had been diagnosed with frontotemporal dementia and stepping away from his acting career.