MAY 12: TMZ posts avideo of Solange Knowles, Beyonce's sister, kicking and hitting Jay Z in a lift.

JUNE 25: Jay Z and Beyonce's On The Run tour kicks off in Miami. It is under intense scrutiny as fans feared an abrupt cancellation due to the couple's alleged marital problems.

JUNE 28: During the tour's Ohio leg, Beyonce changes the lyrics of Resentment from "Been riding with you for six years" to "Been riding with you for 12 years".

JULY 3: US singer Mya, named as Jay Z's mistress, addresses the rumours on Instagram, saying "Never did, never was, never will". She received death threats after an article called her out.

JULY 14: A source tells British tabloid Daily Mirror that the pair are seeing a therapist weekly via Skype while on tour to sort out their marital woes.

JULY 28: Reports say Beyonce goes house-hunting in June without Jay Z.

JULY 30: Beyonce uploads a photo on Instagram of Jay Z and their daughter Blue Ivy with the caption "My favourite hue is JayZ Blue".

AUG 2: Beyonce and Nicki Minaj release a remix of the former's song Flawless, addressing the fight in the lift with the line "Of course sometimes s*** go down when there's a billion dollars on the elevator".

AUG 4: Jay Z's alleged mistress, the model and rapper Liz, drops a rap song and accompanying video called Sorry Mrs Carter, an "open letter" dissing Beyonce and dishing the dirt on Jay Z's unfaithful ways. Jay Z's surname is Carter.