Britney Spears Rocks Lingerie-Like Slip Dress and Red Lip in Birthday Instagram Post

Photo:Hahn Lionel/ABACA/Shutterstock Hahn Lionel/ABACA/Shutterstock Britney Spearsis serving sexy at 43! The singer posted a video toInstagramon Monday, Dec. 2 in honor of her birthday in a lacy going-out look. Spears wore an ivory lingerie-like slip dress with an adorned floral-lace hemline. She paired it with a pearly gold-accented necklace, black strappy heels and a white lacy shawl. The pop star posed for the camera while finishing the look off with a bold red lip.

Britney Spears Shares a Look at Christmas with 18-Year-Old Son Jayden as She Gifts Him a New Shirt: 'Thank You, Mom'

Britney Spears; Spears' son Jayden opens a gift from his mom on Christmas.Photo:Steve Granitz/WireImage; Britney Spears/Instagram Steve Granitz/WireImage; Britney Spears/Instagram Britney Spearsis giving fans a glimpse of her Christmas celebration with her sonJayden. Jayden — the youngest of Spears' two sons — can be seen in the footage opening a box to reveal a long-sleeved button-down shirt. “Nice, nice. Oh, that is nice,” Spears told her son as he showed her the shirt.

Britney Spears' Former Beverly Hills Home, Where She Lived After Kevin Federline Divorce, Lists for $8 Million

Britney Spears, Spears' former Beverly Hills home.Photo:Kevin Mazur/WireImage; Simon Berlyn Kevin Mazur/WireImage; Simon Berlyn Britney Spears’s former Beverly Hills home is back on the market! The six-bedroom, seven-bath mansion in The Summit gated community was previously home to the pop superstar from 2007 to 2012, following her divorce fromKevin Federlinein July 2007. In January, it was listed via real estate brokerage Compass for an impressive $8 million — a fitting price for what agent Ben Salem is calling a “one-of-a-kind estate and former celebrity haven” that “exudes timeless allure within the prestigious 24-hour guard-gated enclave.

Brittany and Patrick Mahomes Celebrate Daughter Sterling's 4th Birthday with Extravagant Flamingo Cake: Photos

Brittany Mahomes.Photo:Fernando Leon/Getty; Brittany Mahomes/Instagram Fernando Leon/Getty; Brittany Mahomes/Instagram Brittany Mahomesis making sure that her daughter Sterling’s 4th birthday is one to remember! On Thursday, Feb. 20, the mom of three, 29, shared behind-the-scenes photos of her eldest daughter’s birthday celebration. One of the uploads shared to her Instagram Stories included an up-close shot of the extravagant flamingo cake. The unique treat was decked out with pink frosting and featured two flamingo props on top.

Brittany and Patrick Mahomes Welcome Baby No. 3, a Girl — and Reveal Her Name in First Photo

Patrick Mahomesand wifeBrittany Mahomeshave added another girl to their home team! Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer​​, from celebrity news to compelling human interest stories. Brittany Mahomes/Instagram The couple’s newest addition will join daughterSterling Skye, 3, and son,Patrick “Bronze” Lavon Mahomes III, 2. Brittany and Patrick Mahomes.Lexie Moreland/WWD via Getty Lexie Moreland/WWD via Getty