The 24-year-old is notoriously private but was pictured on Instagram over the weekend after spending time with aspiring Broadway star, Gracie McGraw, 25.
Maggie has been showing off her bobbed haircut in recent months, and she is still loving it and Gracie is too. She tagged the hairstylist, Ashley Javier Hair, suggesting she's had a trim.
The siblings clearly had a great weekend too, with Gracie captioning the series of photos: "Friday= fun when your best friend and one little sis (missing @audreymcgraw :( ) are in town !!!!"
As well as Gracie and Maggie, Tim and Faith are also parents to 21-year-old daughter Audrey. Audrey is a talented musician like her famous parents and is also an aspiring model. Like Gracie, she lives in New York City, and is currently studying there.
While Faith and Tim are relatively private when it comes to their family life, Tim previously opened up about his pride for his daughters - and the bittersweet reality of becoming an empty nester after his daughters left their Nashville home - during an interview with People.
He told the publication: "You're used to getting up in the morning, taking kids to school, going to softball practices and basketball practices and cheerleading practices, and all of a sudden that's gone when your last one leaves."
Opening up about their strong personalities, the country music star said: "We've raised three strong, independent, strong-minded young women. And what I'm most grateful for is just how normal our kids are and how grounded they are and how much they respect themselves and other people."
He then added: "It makes me feel like we've done a pretty decent job, especially Mom." Tim previously opened up about his family unit while talking to Country Countdown USA, too.
He said: "I'm the oldest kid in the family. Faith's got four kids. I just do what mom says." He also opened up about his children's close bond. "Anybody who has more than one kid knows they're so different," he said.
"They're so individual. But they're all real close, and all real supportive of each other. They miss each other when they're not around, but they also want their sister to experience life."
Read more HELLO! US stories here
Want to keep up to date with the latest stories? Sign up to our HELLO! Newsletters today.