Are Big Sean and Jhene Aiko really dating?

Big Sean and Jhene Aiko seem to be hanging out with each other a lot. The duo formed a group called twenty 88 and released a joint album together but there have been rumours flying everywhere that they are both dating.There are also rumours that Jhene Aiko who got married to her Nigerian husband and music producer -Oladipo Omishore, last year, has since dumped him for Big Sean. 
Neither of them has publicly denied this allegation.