Bonnie's Surprise Proposal is an online game at 43g.Com. You can play Bonnie's Surprise Proposal in your browser for free.Girls, secretly telling you a secret! Ken intends to propose to Barbie and give her a surprise. He needs your help! Firstly, Help him measure Barbie's finger and won't be discovered by her. Then design the ring with precious stones and delicate decorations. Don't forget to pick the most gorgeous bridal dress for her in the end. Have a good time!