I bought a tank top today that I need to where with an undershirt and bra but you can see the straps on the side because t\its cut in the middle of my back ( don't wear strapless bras don't suggest that ) But do you find that tacky or trashy looking? link
like this link except the bras not showing just the straps haha
It's one thing to have just your straps showing, but when I can see half your bra its not attractive. I don't like when girls where tank tops that are to small and their bra cups hang out or can be seen through it. If you are wearing a classy top and your straps just happen to show because the top's straps are thing that's OK. Like this OK link anything more would be to trashy. Even still girls that type of outfit has a time and place I think. If you wear that all the time or outside of a hot summer day, you just look like some shot girl from the local bar.
Other girls are the ones who make big deals about bra straps and visible nipples; most guys aren't concerned about things like that unless it's a formal affair or they need you to look especially good (meeting their boss or something). Day-to-day? It wouldn't even register to most guys.
In that picture, you can her nipples which is worse than the bra straps issue.
With that style top and that bra then yeah, it looks really disorganised and pretty lazy, however I think that it can look quite cute and subtle if it's only poking out a bit or if the straps on the top are the same width as the bra, depends greatly on the style of the tank top! I don't think it's an overly important issue though, just don't copy the look for the picture by any means aha.
If it bothers you that much, just go strapless or get clear straps! Sorted :)