Madonna Posts Sweet Throwback Photo With Son Rocco Amidst Custody Battle

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Madonna isn't letting a custody battle get in the way of celebrating her love for her son Rocco during the holidays.

On Christmas Day, the 57-year-old singer shared a super-cute throwback pic of her son, which she captioned, "Merry x-mas to the Sun-shine of my Life!"

WATCH: Madonna's Son Rocco Channels Ex Sean Penn's 'Fast Times at Ridgemont High' Character!

The post comes amid reports that Rocco was court ordered to return to New York to be with his mother in time for Christmas. The teen is currently in London with his father, director Guy Ritchie.

Rocco had been visiting Ritchie, 47, but was supposed to fly back to the United States to be with his mother -- however, her 15-year-old son reportedly refused to board the plane, which is when Madonna went to court.

NEWS: Madonna's 15-Year-Old Son Reportedly Ordered to Return to New York to Be With Her

On Dec. 23, Manhattan Supreme Court Justice Deborah Kaplan issued a court order for Rocco to return. However, lawyers representing Rocco's father fought back against the ruling.

"Rocco has expressed very clearly that he does not want to return to New York," Attorney Eric Buckley argued during the hearing in Manhattan.

WATCH: Hollywood's Most Nuclear Divorces

Ritchie and Madonna divorced after eight years of marriage in 2008. Together they share Rocco and 10-year-old son David. Madonna is also mother to daughters Lourdes, 18 -- from a previous relationship -- and Mercy, 9.

While it's reported that Rocco spent Christmas with Ritchie and his new wife, model wife Jacqui Ainsley-- Madonna celebrated the season with her other children, and shared adorable snaps of her cute kids to Instagram.

WATCH: See Madonna and Guy Ritchie's Sons, Rocco and David, All Grown Up!