United Kingdom, Sept. 2 -- Leigh-Anne Pinnock has admitted that her "emotions and hormones are all over the place" now that she's hit the third trimester of her pregnancy.

The former Little Mix star is expecting her third child with husband Andre Gray - the pair are already parents to twin five-year-old daughters - and has been documenting the journey on her social media pages.

Alongside pictures of herself showcasing her burgeoning bump in a brown bikini, Leigh-Anne wrote on Instagram: "Third trimester alreadyyyy.

"This pregnancy is going super quick it's scary. Emotions and hormones are all over the place and on top of that the grind doesn't stop."

Leigh-Anne added that she and Andre are "so excited" to meet their new tot and "go in...