Ricky Martin drops his pants, Rihanna's $250 album, and more in this week's 10 Things To Know Now!

1.) Have $250 burning a hole in your pocket? Now you can score an extra-fancy version of Rihanna's Unapologetic album. The "Diamonds Executive Platinum Box" includes posters, stickers, and notebooks... but for that price, where are the actual diamonds? (Entertainment Weekly)

2.) Lady Gaga hinted that ARTPOP would be two albums. One will include radio-friendly hits while another will be all experimental sounds. No word, though, if the two-disc set's album art will be made entirely out of meat. (MTV News)

3.) Ricky Martin took a photo of himself WITHOUT ANY PANTS and is selling his slacks for charity. Giving has never looked SO good. (BuzzFeed)

4.) Lauryn Hill has launched her "Life Is Good/Black Rage tour" with Nas and even previewed (a spoken word version of) a new song, "Black Rage." We're mostly excited that a new record by the "Doo Wop (That Thing)" rapper is FINALLY on its way! (Rap Up)

Check out the rest of this week's 10 Things To Know Now after the jump!

5.) Yes, today is Halloween, and we still have over two months until Christmas, but we can't stop listening to the fun. version of "Sleigh Bells." FYI, skipping the month of November this year. Sorry, Thanksgiving. (Idolator)

6.) Drake not only went back to school to get his high school diploma, but he even got to deliver an inspirational graduation speech. Lesson of the day: Stay in school, kids! And also, YOLO!  (MTV News)

7.) The Jonas Brothers made a HUGE announcement on Ryan Seacrest's radio show: They're playing two more reunion shows in Los Angeles on Nov. 27 and 28! They are also aiming to have their new album finished by next year. (MTV News)

8.) Check out Diplo's three-hour Halloween mix, featuring smashes by Rihanna, M.I.A., and even Destiny's Child. Sorry, guys, "Monster Mash" didn't make the cut. (Pretty Much Amazing)

9.) Eminem's in the studio working on his eighth solo album and promises a 2013 release! The rapper also announced that the limited-edition baseball cap he announced his album on will be for sale with profits going towards his charity, The Marshall Mathers Foundation. (RapFix)

10.) An Alabama songwriter is suing Carly Rae Jepsen and Owl City stating that their "Good Time" sounds like a song she wrote. Annnd that's when you know you made it -- when the lawsuits come rolling in! (MTV News)

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