Madonna Shares Throwback Photo to 'Days of Innocence' With Son Rocco Amid Custody Battle

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Madonna may not be able to talk about her ongoing custody battle over son Rocco, but she's certainly making her feelings known.

In December, a judge ordered Rocco to return to his mother in New York, after the 15-year-old refused to leave London, where his father, Guy Ritchie, lives. As Madge and her ex-husband hash it out in court, the singer has posted yet another sweet throwback photo with her son.

"Days of innocence. In Malawi. How I miss this time," Madonna wrote.

WATCH: Madonna Posts Cryptic Instagram During Custody Battle as Son Rocco Deletes His Account

The photo shows the 57-year-old pop star with her arms around Rocco, with daughter Lourdes and son David nearby. It was taken in Malawi, where David and Madonna's youngest daughter, Mercy, were adopted.

In recent weeks, Madonna has made a habit of posting #TBTs with her children, such as this one which she not-so-cryptically captioned, "Love Conquers All............"

She also posted a picture with all of her children, Lourdes, now 19, Rocco, David, 10, and Mercy, 9, and declared, "It's possible to be an entertainer and a good mother!!! Too bad we don't live in a society where many encourage strong independent single working moms!"

WATCH: Madonna Pays Tribute to David Bowie With 'Rebel Rebel' Cover During Concert

The "Living for Love" singer is currently globetrotting on her Rebel Heart tour and has been vocal with audiences about the "challenging times" she is going through.

"We all go through challenging times in our life," she confessed to crowds in Mexico City. "That includes me. I too go through challenging times in my life, right now is one of them. Sometimes I feel I can't do a show. I don't have the energy, I don't have the strength."

Meanwhile, another famous mom, Kim Kardashian, is opening up about the struggles of parenting two children. Find out what she had to say in the video below.