New(ish) to MFP and looking for friends

Hi, I am a 5ft 6" female looking to lose 3 stone+ (a stone of which I have already lost!!!). I was diagnosed with an underactive thyroid in early 2009 and since then have made an excuse that this is what caused my weight gain, it may have caused alot of it but so did my over eating. I then went on to have my son and was 2 stone lighter after giving birth than I was before I fell pregnant but the weight soon crept back on! I stopped smoking in June 2011 and since then have gained another 2 stone!!!! I am bridesmaid for one of my friends in June this year and would love to have got down to my target of 154lbs by then!!!!! Anyone who wants to add me please feel free.