The Motown Museum in Detroit celebrated Diana Ross' 75th birthday by hosting an event in her honor.
The museum had a special screening of her documentary called, Diana Ross, Her Life, Love and Legacy.
The documentary is centered around her famous 1983 concert in Central Park and was shown to a sold-out theater & will also be shown on Thursday in select theaters across the country.
Diana's kids, Berry Gordy, Diddy, Beyonce' and more were in attendance for the event.
But just look at how Ms. Ross's face lights up when Beyonce' sings her Happy Birthday.