Celebrity Parents Pregnant Cassie Celebrates Her Birthday by Posting First (Nude) Photos of Her Growing Baby Bump Cassie revealed she was expecting her first child with boyfriend Alex Fine in June By Joelle Goldstein Joelle Goldstein Twitter Joelle Goldstein is a TV Staff Editor for PEOPLE Digital. She has been with the brand for nearly five years, beginning her time as a digital news writer, where she covered everything from entertainment news to crime stories and royal tours. Since then, she has worked as a writer-reporter on the Human Interest team and an associate editor on the TV team. In her current role, Joelle oversees all things TV and enjoys being able to say she has to watch The Kardashians and America's Got Talent for "work". Prior to joining PEOPLE, Joelle was employed at The Hollywood Reporter. She graduated from Ithaca College with a Bachelors in Television-Radio (and an appearance in the NCAA Women's Volleyball Final Four!) People Editorial Guidelines Published on August 27, 2019 02:15 PM Share Tweet Pin Email Photo: Jon Kopaloff/FilmMagic Cassie has a lot to celebrate this year! The singer, who is expecting her first child with boyfriend Alex Fine, rang in her 33rd birthday on Monday by sharing the first-ever photo of her growing baby bump with her Instagram followers. Sitting nude and cross-legged on a rock near the ocean, Cassie posed with her hands around her belly as the waves were captured crashing behind her. The star, who strategically positioned her long brown locks to cover her breasts, also wore silver strands in her hair with a matching silver decoration over her face. Choosing to let the photo speak for itself, Cassie did not write a caption beneath the scenic shot — but she did caption a second similar photo, showing her from the front, “Birthday Suit.” Want all the latest pregnancy and birth announcements, plus celebrity mom blogs? Click here to get those and more in the PEOPLE Parents newsletter. Cassie Is Pregnant & Expecting First Child with Boyfriend Alex Fine 8 Months After Split from Diddy Cassie, who split from ex Sean “Diddy” Combs last year, confirmed she was pregnant with her first child, a baby girl, in June. In a sweet post on Instagram, Cassie announced the exciting news alongside a slideshow of photos featuring herself and her boyfriend sitting in a car together. “Can’t wait to meet our baby girl 💗 Love You Always & Forever,” Cassie wrote beside the photos. Fine, 26, also raved over the news and shared a heartfelt letter he wrote to the couple’s expected bundle of joy on his Instagram. “I will be the first man in your life and will show you the greatest love and affection now and forever,” Fine wrote alongside a photo, which showed him kissing Cassie on the cheek. Alex Fine/Instagram Cassie Kisses New Man on Instagram After Ex Sean “Diddy” Combs Shares Heart-Studded Tribute “I never thought my heart could grow bigger after meeting your mother… then I found out we were having you and I instantly felt a love that is so indescribable,” Fine continued. “I promise to be at every dance recital, concert, sporting event, school plays whatever you decide to do I will be there and support you. I am your number one fan.” “I promise to be a man that you and your mother look up to and love. I will always listen and put the both of you first.” Fine also promised to show his baby girl a “healthy relationship.” “I promise to never approve of any boy you like because they will never be good enough for my baby girl. Sorry,” he continued. “I can’t promise that I won’t embarrass you because I will give you so many kisses at every school drop off.” “I will be the Dad that never forces my opinions on you. I will love whatever you do in life as long as you’re happy,” he added. “I promise to love you every single second unconditionally until my last breath.” He concluded the note, writing, “You’re perfect to me and always will be.” Fine, who is a professional bull rider and personal trainer for many Riverdale stars, also shared a letter to Cassie, promising he “will do every single thing in my power to support you and help you.” “I promise to always keep you and the child first nothing comes before you,” he wrote. “I promise you will be showered in kisses and hugs every single day. I promise that I will be the best father/baby daddy.” Diddy Congratulates Ex-Girlfriend Cassie on Her Pregnancy: ‘I Wish You All Nothing But Love’ In December, the songstress made her romance with Fine Instagram official, posting a series of photos on her account that showed off her new man. In one of the images, Cassie and Fine shared a kiss on the lips, while in another, the pair smiled while standing next to the singer’s mother. “I love you Mommy,” she captioned the images. Cassie and Fine’s happy baby news came eight months after the “Me & U” singer split from Combs, 49. The pair dated for 11 years. Two days after sharing her pregnancy with the world, Combs sent well wishes to his ex-girlfriend and her new man. “Congratulations @Cassie and Alex. I wish you all nothing but love and happiness,” he wrote on Instagram alongside a photo of Cassie cuddling with her man. “God bless ❤️❤️❤️ L O V E.” Combs is a father to three sons — Quincy, 28, Christian Casey, 21, and Justin Dior, 25 — and three daughters — Chance, 13, D’Lila Star and Jessie James, both 12 — from previous relationships.