In March, the celebrities were photographed together at singer Elton John's 70th star-studded birthday bash in Los Angeles, though they reportedly arrived separately.
Actor Dakota Johnson, popular for starring as Anastasia Steele in the "Fifty Shades" films was spotted on a romantic date night at a hotel with actor Jon Hamm and this has ignited dating rumours between the two.
You know those Dakota Johnson-Jon Hamm dating rumors that emerged earlier this week?
The magazine quoted sources saying that the duo was 'cozy, laughing, and affectionate'.
The couple were spotted days after rumours about Johnson dating Mad Men alumni Jon Hamm.
Melanie Griffith's daughter and the 46-year-old actor were spotted drinking wine at Kingside in the Viceroy Central Park hotel in NY on 5 October, according to the report in the celebrity gossip website.
The "Something Just Like This" singer seems to be moving on from his penchant for blonds - Martin most recently dated "Peaky Blinders" actress Annabelle Wallis, and before that, he romanced Jennifer Lawrence. Johnson was in an on-again, off-gain relationship with Matthew Hitt, but they called it quits a year ago. The two dated on and off for years before they were last spotted in 2016.