Gap Kids has long had a trendy line of baby clothing. Polo Ralph Lauren also has high trend baby clothes available.
FashionTIY
There are many American magazines that contain articles about trendy clothing. These include Vanity Fair, Allure, Cosmopolitan, Flaunt, Harper's Bazaar, Lucky and many more.
Here is a blog that may help: www.blog.spoongraphics.co.uk/.../trendy-geometric-lines-design-tut... There is also another site that has some trendy ideas: www.lacitedesmatieres.com/hot-and-trendy-house-painting-ideas/
goodys catos or any internet clothing store
With first babies born into the family we seem to want to buy trendy clothes. Some stores to check out are Baby Gap, Gymboree, Macy's and Sears. Ross also is great for selling trendy clothes a low price.
Komorea li simones has a clothing line and more
http://www.myhabit.com has some very good clothing's for petite girls. Or you may go to a second hand store like Plato's closet. They have some very good stuff.
There is so much available online these days when shopping for clothing. The definition of trendy could vary depending on your age and size, but some good sites I found are: http://www.greatglam.com/ www.venus.com http://canada.forever21.com/Product/Landing.aspx?br=f21
How do you feel about the children in the documentary "Painted Babies" wearing revealing clothing and make up as an issue??
Popular celebrity clothing lines include House of Harlow, Rachel Zoe and Gwen Stafani. You can get more information about these celebrities and their fashion lines online at the Wikipedia.
Trendy or Trendye in some countries
To find new trendy clothing, you can refer to the FashionTIY online wholesale market. Clothing has always been its main business category. Men's wear, women's wear, and children's wear can meet the dressing needs of different age groups.