By Gemma Strong A woman accused of stealing all the attention at her sister-in-law’s baby shower has spoken out to defend herself – and people are on her side. The 33-year-old was invited along to celebrate the impending arrival of her new niece or nephew by her brother Harry* and his wife Penny*. But it wasn’t long before the mum-to-be pulled her aside. In a post shared online, the woman revealed she had been away travelling overseas for the past 15 months for charity work. And just two weeks after her return home, she went along to the shower. She revealed on Reddit: “Family members and some…