Lottie Tomlinson showed off her baby bump in a bikini snap as she reached the six months mark in her pregnancy on Thursday.The 23 year old sister of One Direction star Louis Tomlinson is currently enjoying a break away in sunny Greece with boyfriend Lewis Burton, spending quality time together before welcoming their baby boy later this year. Lottie looked stunning in a couple of photos she posted of herself during her holiday as she celebrated reaching her third trimester with the caption: “6 months baby. I love you soooo much.” The mum-to-be was pictured taking a shower outdoors at her luxury resort whilst wearing a black string bikini and stood slightly to the side so her blossoming baby bump was on full display.