An onslaught of Broadway's best have joined the social media campaign to lend their well wishes as the young girl undergoes brain surgery.
The new drama stars Stephen McKinley Henderson.
Nine-time Tony Award winner Tommy Tune starred in the musical's original 1995 touring production.
The two-time Tony-nominated actor makes history in the long-running musical.
Giant's Katie Thompson is among the cast for the developmental presentation.
The comic actress will be part of the cast of the Bernstein, Comden, and Green musical.
Diana Rigg and Mia Farrow will also take part in the drama's first-ever revival.
Martin will return to the Broadway cast before joining the tour in Los Angeles.