Katy Perry, John Mayer's 'arm-in-arm PDA' sparks reunion rumors

Katy Perry and former beau John Mayer may just be back together.

The singer pair, who had parted ways nearly a year ago in February 2014, made quite an entry at Hollywood hot spot the Tower Bar recently, surprising all the A-list stars present in the room, the New York Post reported.

An eyewitness said that the two walked in arm in arm, literally silencing the entire room, and even Dimitri Dimitrov, Hollywood's most famous maitre d', and Sunset Tower owner Jeff Klein stopped mid-sentence, looking as if they wanted to announce their reunion.

Perry, 30, and Mayer, 37, took a seat next to director and producer Lee Daniels, who was dining with Naomi Campbell, and were canoodling over dinner before astonished fellow diners.

Also present in the room were Clint Eastwood, fashionista Liz Goldwyn with Dita Von Teese, Kid Cudi with Bryan Greenberg and Jamie Chung, Scarlett Johansson and Reese Witherspoon.

The on-off pair had first started going out in 2012 after Perry's marriage to Russell Brand had ended.