Sasha Fierce (2008), which saw the introduction of her alter-ego, Sasha Fierce, and earned a record-setting six Grammy Awards in 2010, including Song of the Year for 'Single Ladies (Put a Ring on It)'. Beyoncé took a hiatus from music in 2010 and took over management of her career her fourth album, 4 (2011), was subsequently mellower in tone, exploring 1970s funk, 1980s pop, and 1990s soul. Her marriage to rapper Jay-Z and her portrayal of Etta James in Cadillac Records (2008) influenced her third album, I Am. Beyoncé also continued her acting career with starring roles in The Pink Panther (2006), Dreamgirls (2006), and Obsessed (2009). Following the break-up of Destiny's Child in 2006, she released her second solo album, B'Day, which contained her fourth solo number-one hit, 'Irreplaceable', as well as the other top ten singles 'Déjà Vu' and 'Beautiful Liar'.
