### Image Prompt

At the center of the Cartoon Style image, in large, legible text that does not touch or go beyond the edge, write **HAPPY 21ST RHIANNA!**

**Scene Description:**

Create a whimsical and vibrant scene set on a rollercoaster track spiraling through a cartoonish amusement park. At the forefront, a comically terrified T-Rex with oversized, googly eyes and tiny arms grips the safety bar of a rollercoaster cart. Next to the T-Rex, Sonic the Hedgehog is sitting calmly with a confident smirk, wearing oversized, retro YouTube-style sunglasses, and giving a thumbs-up.

The rollercoaster cart is vividly colored with bright reds and yellows, and the track loops through giant exaggerated YouTube play buttons as part of the ride. Floating above them, a large speech bubble in playful, bold lettering reads, "WILD RIDES AND EPIC VIEWS!"

The background is a colorful swirl of balloons and confetti, adding to the celebration. Use thick outlines and bright, saturated colors to make each character and element pop with energy and humor, perfect for a fun birthday greeting.

Generated with these themes: Rollercoaster, YouTube, t-rex, sonic the hedgehog , and .

Made with ❤️ by AI.