The duo appeared to confirm their romance as they graced the red carpet at the premiere of Tessa's upcoming film "Annihilation", reported AceShowbiz.
At the premiere, the two actors walked in together and were also photographed embracing each other.
Janelle and Tessa also hit the red carpet at the premiere of "Black Panther".
The "Tightrope" hitmaker had previously shared her thoughts on same-sex relationships, saying that love "has no sexual orientation".