Mumbai, Sept. 17 -- Are wedding bells finally ringing for Nikki Tamboli and Arbaaz Patel? A series of pictures shared by Arbaaz's friend, Mazhar Khan, has sparked fresh speculation about the couple's relationship.

The photos appear to be from a haldi ceremony, with Arbaaz dressed in a yellow kurta and white trousers while posing against a floral backdrop. Sharing one of the posts, Mazhar wrote, "Haldi Mubarak meri jaan," and tagged Arbaaz. Another Instagram Story from the celebration carried the message, "Bhai ko bohot bohot mubarak."

Although Nikki was nowhere to be seen in the pictures, the captions were enough to make fans wonder if Arbaaz had quietly begun his pre-wedding celebrations. However, neither Nikki nor Arbaaz has announced...