Sydney took to Instagram to model a colorful, floral bikini by Montce while vacationing in O'ahu.
The actress shielded herself from the island's strong rays with a trendy straw sunhat and glamorous oversized sunglasses.
In a silly selfie video, Sydney admitted she was "still feeling this red hair" after debuting her new ‘do the week before.
Although she recently got engaged to boyfriend Jonathan Davino, Sydney's new diamond ring wasn't visible in any of her vacation photos.
Sydney gave her followers a closer look at the Hawaiian resort's stunning infinity pool.
Sydney shared a photo of her plate of chicken tenders and joked about enjoying the traditional kid's dish, writing "I've never grown up."
Sydney can be seen in the reflection snapping a pic of her hairstylist Florido Basallo, who joined her on the trip.
Makeup artist Denika Bedrossian was also a part of the Hawaiian getaway and shared a photo of the resort's lush grounds.
Florido and Denika kept their eyes on the ocean as they spotted whales swimming around.
Florida shared a photo of yummy ice cream sandwiches on his Instagram Stories with the caption, "IYKYK."