Alessandra Ambrosio Sparks Engagement Rumors with Ring!

flashed a gold wedding band on her ring finger in new bikini images shared to Instagram on Thursday.

It appears that her romance with jewelry designer Buck Palmer has gotten even more serious.

'Bali…at first light ✨☀️,' wrote the  model in her caption as she noted Palmer was the person who took the sizzling snapshots.

The couple have been dating since late 2004 and they

'If Alessandra is engaged she has not told her friends yet, but everyone feels like she and Buck are headed that way because they are very serious and in love, so this may be a big hint from her that they are headed toward matrimony,' a source told The Daily Mail. 

'It is likely that he designed that ring she is wearing on her wedding finger because that's his job - he designs jewelry.'

The Daily Mail has reached out to Ambrosio's rep for comment.

The Daily Mail has learned that things just keep getting better between Ambrosio and Palmer.

'She has never been happier because he has a great sense of adventure and likes to try new things, he is perfect for her,' an insider said.

'She is not opposed to getting married, she is being open with her heart, so who knows they may walk down the aisle,' added the pal. 

The supermodel and the designer were first romantically linked at a party in Art Basel in Miami in 2024.

Insiders confirmed at the time that the smitten fashion model hopes to be with her new partner 'for her entire life' due to the deep connection they share.

'Alessandra knows who her New Year's Eve kiss is going to be, and she hopes to ,' a source exclusively dished to The Daily Mail at the time.

'She has been through the ringer in relationships but really truly believes in love and feels like she finally found it.'

Opening up about struggles she faced in her past relationships, the insider continued: 'She has been a serial monogamist in a sense and loves being in relationships but has been with men that are resentful of her fame and her money.