While Shilpa was accompanied by her husband Raj Kundra for the event, Schwarzenegger was present with his once onscreen rival Sylvester Stallone.
Shilpa and Raj were celebrating their wedding anniversary in Macau and were catching the fight during their trip.
"At the #MannyPacquiao fight in Macau, ringside;) doesn't get better than this! @TheRajKundra ure anniversary present," Shilpa tweeted.
She even posted a photograph featuring the two Hollywood actors sitting behind Raj and herself.
"What a wonderful experience and yes that is #Arnold and #Sylvester behind us! We are the Expendables! :) haha," she added.
Later, Shilpa also posted a photograph with Schwarzenegger. Both of them are all smiles.
"With the one and only @Schwarzenegger at the #PacAlgieri main event," she captioned the picture.
Schwarzenegger was recently in India as a guest speaker at the Hindustan Times Leadership Summit.