Legendary actor Robert Loggia doesn't just have a good sense of humor about the classic "Family Guy" joke about him -- last night outside of Toscana in Brentwood ... he recited part of it himself!

Everybody loves Robert Loggia!

Justin Bieber dropped $25,000 on his new Family Guy-inspired necklace -- which contains over 12 CARATS of rubies and diamonds-- and TMZ has learned, the singer helped design the whole thing.



Famous Beverly Hills jeweler Jason Arasheben tells TMZ, he and Bieber designed the Stewie pendant together -- adding, Justin "had a specific vision for how he wanted it to look."

Jason tells us, the necklace contains 12 carats of precious stones -- including multi-colored rubies and white diamonds -- and they're all set on 14-carat gold.

Victory shall be Bieber's!

Child star Jonathan Lipnicki -- the kid from "Jerry Maguire" -- is all grown up ... and he's traded in his spikey blond hair and big glasses for a gym pass and a set of abs that could make The Situation wanna hit the gym!



Check out TMZ on TV -- click here to see your local listings!

Jonathan Lipnicki -- who played the cute kid in "Jerry Maguire" -- has no hard feelings after getting his ass shredded on "Family Guy" Sunday night ... telling us, "I'm honored to be made fun of on that show."


Lipnicki, 19, and his hot date -- Mama Lipnicki -- hit up Mastro's Steakhouse in L.A. last night, where the former child star also performed a dead-on impression of The Situation from "Jersey Shore."

Dude has a lot of experience getting ripped.