Millie Bobby Brown looked sensational on Saturday as she shared the sweetest photo cuddling her sweet companion, golden labrador, Marley.MORE: Millie Bobby Brown, 18, models dazzling diamond ring for loved-up outing – fans reactThe cosy duo were captured having a dip in the pool whilst the 18-year-old rocked a fabulous green bikini for the shot. The pair looked very content in the snap and Millie could be seen grinning from ear to ear.WATCH: Millie Bobby Brown has a new jobCaptioning the post, she wrote: "Pool day with marley mops <3." Fans went wild for the adorable picture and as well as receiving 3.5 million likes for the photo, one fan wrote: "Love u millie." A second added: "Amazing photo." A third said: "Cutest ever."READ: Millie Bobby Brown stuns with bold new look and multi-colored hairSEE: Millie Bobby Brown's tearful confession about life before fame and Stranger ThingsThe heartwarming update came just as Millie revealed she is embarking on her college career at Purdue University, and shared the news with Allure magazine.