I can suggest some popular and well-regarded cake shops and bakeries in Dubai that have been known for their delicious cakes. Keep in mind that the popularity of these places may vary over time, so it's always a good idea to check recent reviews and ratings before making a decision:
Magnolia Bakery: Known for its classic American-style baked goods, Magnolia Bakery offers a variety of cakes, cupcakes, and other sweet treats.
Hummingbird Bakery: This bakery is famous for its indulgent cakes and cupcakes, often featuring rich flavors and attractive designs.
Sugaholic Bakeshop: Offering custom cakes for various occasions, Sugaholic Bakeshop is known for its creative designs and delectable flavors.
Bloomsbury's: With several locations across Dubai, Bloomsbury's offers a range of cakes, including artisanal creations and traditional favorites.
ChoCo'a: This chocolate-centric bakery has a selection of cakes and desserts that cater to chocolate lovers.
La Farine Café & Bakery: Located in JW Marriott Marquis Dubai, this bakery is known for its high-quality pastries and cakes.
The Lime Tree Café & Kitchen: Known for its delicious cakes made with fresh, natural ingredients, The Lime Tree Café has been a favorite among residents and visitors.
Cakery Boutique: This boutique bakery offers custom-made cakes with a focus on creative designs and attention to detail.
Remember that taste preferences are subjective, and the "best" cake for one person may differ from another's. It's always a good idea to read reviews, check out the bakery's offerings, and consider any dietary preferences or requirements you may have before choosing the best cake shop for you.