"For us, it (chemistry) is very natural. We don't have to act because we have been together, so it is not really difficult to portray that (sensuous) chemistry," Bruna told reporters on the set of the show.
"But Omar is very shy, so we are working on it," she added.
"Nach Baliye 6", which went on air on November 9 on Star Plus with a tagline 'Hadd Se Badhega Romance", is being judged by actress Shilpa Shetty, director Sajid Khan and choreographer Terence Lewis.
Other contesting jodis on the show include, RaQesh Vashisth - Ridhi Dogra Vashisth, Rithvik Dhanjani - Asha Negi, comedians Kiku Sharda and Raju Shrivastav with their respective wives, 'Master Chef India 2' winner Ripu Daman Handa and handicapped break dancer Vinod Thakur.
When asked, is it okay to do such bold acts on TV, she said: "After 'Grand Masti', nothing is bold."