Lunch Break Videos: Here are Idina Menzel’s two biggest songs – ‘Defying Gravity’ and ‘Let It Go’

Idina Menzel is celebrating her 45th birthday today as big a star as she’s ever been thanks to the song Let It Go from Frozen. Here is that song and her other classic Defying Gravity from her star-making role in Wicked for which she won the Tony Award for lead actress in a musical.