Complex sentence: Koechlin described her time on the sets of the film as "fun", and developed a close friendship with Padukone, and the two were seen posing together for cameras at various promotional events for the film.
Split into simpler sentences: Koechlin described her time on the film sets as "fun", and developed a close friendship with Padukone. The two were seen posing together for cameras at various promotional events for the film.