TMZ collected the Snapchat video:
A transcription, with some notes for context:
CIARA: So, baby, you know what we’re doing tonight. [SEX]
RUSSELL: From what we did last night, I’m gonna do it [SEX] multiple times.
RUSSELL: About last night ... [SEX]
CIARA: [Laughs] [about SEX]
Congratulations to the fuckers.