He was by her side for own father's funeral last year, but Nicole Kidman was reportedly not by her husband Keith Urban's side as he laid his father Robert to rest on Thursday.

Nicole Kidman 'Heartbroken' Over Father-In-Law's Death

Neither Kidman nor their daughters, Sunday Rose, 7 and Faith Margaret, 4, were spotted at the service for Urban's father in Brisbane, Australia, as the country singer surrounded himself with other members of his family and his father's friends.

It is unclear why Kidman and the kids were not in attendance, though one report suggests that the three were "too grief-stricken" to attend their "Poppy Bob's" funeral after a traumatic year.

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Kidman's own father, Dr. Antony Kidman, died last September of cardiac arrest in Singapore, while her sister Antonia's ex-husband Angus Hawley passed away in April .

However, despite her not attending the service, Kidman was reportedly as supportive as she could be to her husband following his father's death.

"Nicole is heartbroken for him," sources said after news broke of Robert's death. "All she wants to do is hug him and hold him and tell him everything will be okay."

Kidman also praised her husband last year for how he helped her cope after her father's death.

"He has been so good to me for nine years, but for the last month, which has been a really tough time for me...he's been amazing," she told Ellen DeGeneres at the time. "To have my husband just step up that way...it makes me cry. We all go through hard times in our lives, but to be literally carried by your partner, and physically, at times, because I was so devastated...I'll do anything for that man."

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Nicole Kidman, Keith urban