Britney Spears  was all smiles while watching her sons, Sean and Jayden, play soccer in LA on Saturday. She was spotted wearing her "Spiritual Gangster" tee on the sidelines and laughing with boyfriend David Lucado during the game. After a whirlwind promotional trip to London last month, Britney has been hard at work on the weekend soccer mom circuit while also gearing up for the Dec. 3 release of her upcoming album, Britney Jean. She debuted the album's second single, "Perfume," on her Facebook page  earlier this week, saying it was "like sharing a piece of my heart." Britney is likely feeling lots of love  these days, as she was recently nominated for three People's Choice Awards . She's up for both favorite female artist and favorite pop artist honors, while her Britney Army is in the running for favorite music fan following.