The 'Happy New Year' star dropped by Salman's residence, Galaxy apartment to attend the function.
The bride-to-be took to Instagram to post the adorable picture, which sees the two actors, both 49, hugging and kissing Arpita on the forehead.
Salman's brother-in-law, actor-director Atul Agnihotri also shared the same picture with the caption, "Bhai."
In the recent past, SRK and Salman have displayed united front in many occasions, dropping hints that their five-year-long enmity has come to an end.
The sangeet ceremony was attended by many Bollywood celebrities, followed by the mehendi ceremony which was only attended by close relatives and family friends.