12 April,2013 01:50 AM IST | | ANI
The 28-year-old singer, who spent quality time with the duo after her break-up with John Mayer in March, confessed her shocking feelings to Stewart during a karaoke party, confessing she''d love to date Rob should they split up again, the Sun reported.
According to Star magazine, after hearing Perry's comments, Stewart looked like she wanted to run away.
The 23-year-old star was then said to have questioned her âTwilight' co-star and boyfriend whether "rumours of them hooking up in the past are true".