Serena Williams will collaborate with OPI to launch her own range of nail polish.

The tennis ace plans to release the Glam Slam! France collection - which is comprised of two shades, Spark de Triomphe in glittery silver and Rally Pretty Pink - in time for May's French Open competition. Each color comes with a Shatter polish which provides a broken or shattered effect as it dries.

Miley Cyrus leads the nominations for Nickelodeon's 2011 Kids' Choice Awards.

The 18-year-old singer and actress will compete for honors in three categories, Favorite TV Actress - which she will contest with Miranda Cosgrove, Selena Gomez and Victoria Justice - Favorite Singer, and Favorite Movie Actress.

'Glee' star Heather Morris has been signed as a Flirt Ambassador.

The 23-year-old actress - who plays cheerleader Brittany Pierce in the show - has been signed by the cosmetic company to represent its various brands, and both agree they are well suited because of the nature of Heather's character.

Alicia Keys, Lady Gaga and Justin Timberlake are giving up twitter.

The stars are signing off from all social media platforms, and will not return until an AIDS charity - Keep a Child Alive, which is spearheaded by Alicia - has raised $1 million.