The 28-year-old rose to prominence in India after participating in relaity TV show Bigg Boss.
"I support the LGBT (lesbian, gay, bisexual and transgender) community and I don't feel shy about doing it," Malik said.
"I personally feel every person has a right to live life on their own terms and nobody should interfere in their personal life," she added.
Malik will make her Bollywood debut with "Daal Mein Kuch Kaala Hai", which is ready for release. She will also be seen in the Telugu version of the Bollywood hit "The Dirty Picture" and Hindi films "Mumbai 125 km" and "Zindagi 50-50".