Mitchell Starc approved to leave tour of South Africa early to watch wife Alyssa Healy in showpiece T20 tournament decider at the MCG .

A record crowd of 90,000 people is expected for the match at the MCG between Australia and India, just as there was when Starc guided Australia to the one-day World Cup title in 2015.

"I get more nervous watching Alyssa play ... than I do playing," Starc said.

"We were happy to allow him to return home to support his wife and be part of a fantastic occasion," Langer said.