The 28-year-old actress, who herself is a trained singer, congratulated the "Quantico" star for her first Marathi song by calling it "the best debut".
"Mimi didi you are a superhero. Excel at everything you do. This is the bestttt debut!!! Love you," she wrote.
Parineeti is also looking forward to her Bollywood singing debut in her upcoming romantic drama "Meri Pyaari Bindu" and also all excited for her sister's first project as a film producer.
"Ventilator" is produced by Priyanka under her production company Purple Pebble Pictures. It stars director Ashutosh Gowarikar in a lead role and other veteran Marathi actors.