Credit: ABC Family

Lucy Hale (Aria) was bitten by the love bug around Valentine's Day, posting romantic photos of stunning flower bouquets and cute notes, but it looks like this week's bite isn't as enjoyable.

"Spider bite, swollen knee...bring it on life," Lucy tweeted yesterday (February 21). Yikes! We feel bad for our girl Luce, but we're a bit skeptical whether this was an insect's doing, or some kind of "A" scheme. You never know in the PLL world!

Speaking of "A," after many hints during Season 3, Episode 20: “Hot Water,” we have some new speculations as to who the mysterious “A” could be. Could Aria, Melissa Hastings, or CeCe be involved in the scandal? Read our Pretty Little Liars speculations and let us know your opinion in the comments.

And as for that swollen knee? We hope you feel better, Luce! That is, as long Aria isn't playing us for fools on the small screen.

Catch the next episode of Pretty Little Liars on Tuesday, February 26, 2013 at 8 p.m. ET/PT on ABC Family.