Summer has officially started, and the stars are taking advantage.Dua Lipa and her new husband, "Fantastic Beasts" star Callum Turner, were photographed enjoying their honeymoon in Italy, while others soaked up the sun on vacation with their families.Whether they were taking selfies in their backyards or showing off their fit bikini bodies in tropical destinations, the stars stunned in bikini photos this week.BROOKS NADER WOWS IN ICONIC RED ONE-PIECE BATHING SUIT AS 'BAYWATCH' REBOOT FILMS BEACH SCENESHere are some of the top celebrity bikini photos from this week.Dua Lipa and Callum Turner were spotted soaking up the sun on their honeymoon.The newlyweds were photographed showing some PDA while enjoying their Italian honeymoon. In the photos, the pop star wore a tiny purple, blue and black bikini, while Turner wore black swim shorts.Lipa wore her hair in a slicked-back ponytail and accessorized the look with big gold hoop earrings.Some of the photos highlight the singer's rock-hard abs and toned body, while others show how in love the couple are, while others show how in love the couple is as they lock lips both in and out of the water.The couple got married in a small ceremony in London at the end of May before hosting a more lavish wedding celebration in Italy earlier this month.Ali Larter was all smiles as she enjoyed a day at the beach with her family.In a recent photo shared on her Instagram stories, the "Landman" actress smiled as she took a selfie with her daughter sitting side-by-side at the beach while reading.The actress stunned in a strapless nude bikini, which she appeared to pair with a brown cover-up dress with thin straps, as well as brown sunglasses and a book titled, "Whistler."She posted a second photo on her story featuring her husband and son sitting at a table with a tray of fruit in front of them and a view of the ocean behind them.CLICK HERE TO SIGN UP FOR THE ENTERTAINMENT NEWSLETTERHeather Graham shared a snap from her Italian vacation with her boyfriend, Michele Civetta, as well as some friends, on her Instagram story.In the photo, which she reposted from Civetta's story, she wore a brown bikini with white polka dots, which she paired with black sunglasses.The two are vacationing in Italy and have shared much of their time there together with their fans. Graham also posted videos of the two of them in the ocean together, as well as a video of herself in a swimming pool in a white bikini."Sending love from Tuscany ❤️," she captioned the video.LIKE WHAT YOU'RE READING? CLICK HERE FOR MORE ENTERTAINMENT NEWSLori Loughlin's daughter, Olivia Jade, stunned in a series of bikini photos she shared on Instagram.The 26-year-old influencer shared photos of herself in a white bikini with little black polka dots, which she paired with black sunglasses and earrings, captioning the post, "if there is sun I will be tanning (sorry mom)."In one of the photos, the YouTuber sat on a lounge chair playing with her hair, while in others she turned her back to the camera and posed with her head turned over her shoulder.Fans couldn't help but comment on how similar she looks to her famous mom, with one writing, "If they did a remake of full house you quite literally play your mums character because you guys are twins," and another adding, "Pic 4 is your mom’s spitting image!!"