An invisible singlet.... :(

hai...... I'm filled with regret now... remember the tree top walk I went on sat?... hai... as a result of that, I now have sun burns on my shoulders :( aaaahhhhh........ Initially, I was quite fine with it. Tot it makes me look sporty with a bit of tan!!! so I didnt put on any sunblock. BUT now, I'm really filled with regret.. its so ugly lah... I look like I'm wearing an invisible singlet! How am I gonna wear speghetti stripes for the next few weeks or months? ahh....... and Joy's wedding is in 3 wks time... how? it will look so ugly with my dress urgh...... Need some urgent beauty advice. HELP!!